625560 has 64 divisors (see below), whose sum is σ = 2026080. Its totient is φ = 153600.

The previous prime is 625543. The next prime is 625589. The reversal of 625560 is 65526.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 625560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360 + ... + 1760.

2⁶²⁵⁵⁶⁰ is an apocalyptic number.

625560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013040).

625560 is an abundant number, since it is smaller than the sum of its proper divisors (1400520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625560 is a wasteful number, since it uses less digits than its factorization.

625560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 625560 is about 790.9235108403. The cubic root of 625560 is about 85.5243253518.

The spelling of 625560 in words is "six hundred twenty-five thousand, five hundred sixty".