525402232 has 16 divisors (see below), whose sum is σ = 990635400. Its totient is φ = 261232800.

The previous prime is 525402223. The next prime is 525402233. The reversal of 525402232 is 232204525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525402197 and 525402206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525402233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182019 + ... + 184882.

Almost surely, 2^525402232 is an apocalyptic number.

It is an amenable number.

525402232 is a deficient number, since it is larger than the sum of its proper divisors (465233168).

525402232 is a wasteful number, since it uses less digits than its factorization.

525402232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367086 (or 367082 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 525402232 is about 22921.6542160465. The cubic root of 525402232 is about 806.9202934769.

Adding to 525402232 its reverse (232204525), we get a palindrome (757606757).

The spelling of 525402232 in words is "five hundred twenty-five million, four hundred two thousand, two hundred thirty-two".