625515232 has 12 divisors (see below), whose sum is σ = 1231483176. Its totient is φ = 312757600.

The previous prime is 625515133. The next prime is 625515257. The reversal of 625515232 is 232515526.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 625515194 and 625515203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9773644 + ... + 9773707.

It is an arithmetic number, because the mean of its divisors is an integer number (102623598).

Almost surely, 2^625515232 is an apocalyptic number.

It is an amenable number.

625515232 is a deficient number, since it is larger than the sum of its proper divisors (605967944).

625515232 is a wasteful number, since it uses less digits than its factorization.

625515232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19547361 (or 19547353 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 625515232 is about 25010.3025171628. The cubic root of 625515232 is about 855.2228512951. Note that the first 3 decimals are identical.

The spelling of 625515232 in words is "six hundred twenty-five million, five hundred fifteen thousand, two hundred thirty-two".