525550372 has 6 divisors (see below), whose sum is σ = 919713158. Its totient is φ = 262775184.

The previous prime is 525550357. The next prime is 525550451. The reversal of 525550372 is 273055525.

It can be written as a sum of positive squares in only one way, i.e., 397045476 + 128504896 = 19926^2 + 11336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65693793 + ... + 65693800.

Almost surely, 2^525550372 is an apocalyptic number.

It is an amenable number.

525550372 is a deficient number, since it is larger than the sum of its proper divisors (394162786).

525550372 is a wasteful number, since it uses less digits than its factorization.

525550372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131387597 (or 131387595 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 525550372 is about 22924.8854304662. The cubic root of 525550372 is about 806.9961248635.

The spelling of 525550372 in words is "five hundred twenty-five million, five hundred fifty thousand, three hundred seventy-two".