625715532 has 288 divisors, whose sum is σ = 1937295360. Its totient is φ = 168376320.

The previous prime is 625715521. The next prime is 625715539. The reversal of 625715532 is 235517526.

625715532 is a `hidden beast` number, since 6 + 2 + 571 + 55 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (63000) is a multiple of the sum of its prime divisors (168).

It is not an unprimeable number, because it can be changed into a prime (625715539) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10605319 + ... + 10605377.

It is an arithmetic number, because the mean of its divisors is an integer number (6726720).

Almost surely, 2^625715532 is an apocalyptic number.

625715532 is a gapful number since it is divisible by the number (62) 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 625715532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968647680).

625715532 is an abundant number, since it is smaller than the sum of its proper divisors (1311579828).

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

625715532 is a wasteful number, since it uses less digits than its factorization.

625715532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 168 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 625715532 is about 25014.3065464546. The cubic root of 625715532 is about 855.3141269066.

The spelling of 625715532 in words is "six hundred twenty-five million, seven hundred fifteen thousand, five hundred thirty-two".