561,625
53 × 4493
Deficient
Odd
Composite
561,625 has digital root 7. The neighboring primes are 561607 and 561667; its proper-divisor sum differs from the starting integer by -422,186.
Resources
Prime Factor Structure
Factorization String
5^3 × 4493
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
8
Divisor Sum (σ)
701,064
Proper Divisor Sum
139,439
Digit Sum / Digital Root
25 (Root: 7)
Adjacent Primes
#561607 ← → #561667
Radix Representation
| Decimal | 561625 |
| Binary | 10001001000111011001 (20 bits) |
| Octal | 0o2110731 |
| Hexadecimal | 0x891D9 |
Divisor Catalog (5 of 8)
Collatz Trajectory (146 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.