625025520 has 480 divisors, whose sum is σ = 2590548480. Its totient is φ = 131880960.

The previous prime is 625025431. The next prime is 625025537. The reversal of 625025520 is 25520526.

625025520 is a `hidden beast` number, since 62 + 50 + 2 + 552 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5841307 + ... + 5841413.

It is an arithmetic number, because the mean of its divisors is an integer number (5396976).

Almost surely, 2^625025520 is an apocalyptic number.

625025520 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 625025520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295274240).

625025520 is an abundant number, since it is smaller than the sum of its proper divisors (1965522960).

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

625025520 is a wasteful number, since it uses less digits than its factorization.

625025520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 625025520 is about 25000.5103947899. The cubic root of 625025520 is about 854.9996101363. Note that the first 3 decimals are identical.

The spelling of 625025520 in words is "six hundred twenty-five million, twenty-five thousand, five hundred twenty".