525242136 has 16 divisors (see below), whose sum is σ = 1313105400. Its totient is φ = 175080704.

The previous prime is 525242129. The next prime is 525242143. The reversal of 525242136 is 631242525.

It is an interprime number because it is at equal distance from previous prime (525242129) and next prime (525242143).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10942521 + ... + 10942568.

Almost surely, 2^525242136 is an apocalyptic number.

It is an amenable number.

525242136 is an abundant number, since it is smaller than the sum of its proper divisors (787863264).

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

525242136 is a wasteful number, since it uses less digits than its factorization.

525242136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21885098 (or 21885094 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 525242136 is about 22918.1617063847. The cubic root of 525242136 is about 806.8383259055.

The spelling of 525242136 in words is "five hundred twenty-five million, two hundred forty-two thousand, one hundred thirty-six".