525250522 has 4 divisors (see below), whose sum is σ = 787875786. Its totient is φ = 262625260.

The previous prime is 525250493. The next prime is 525250553. The reversal of 525250522 is 225052525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 320445801 + 204804721 = 17901^2 + 14311^2 .

It is a super-2 number, since 2×525250522² = 551776221722544968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131312629 + ... + 131312632.

Almost surely, 2^525250522 is an apocalyptic number.

525250522 is a deficient number, since it is larger than the sum of its proper divisors (262625264).

525250522 is a wasteful number, since it uses less digits than its factorization.

525250522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262625263.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 525250522 is about 22918.3446609916. The cubic root of 525250522 is about 806.8426198681.

The spelling of 525250522 in words is "five hundred twenty-five million, two hundred fifty thousand, five hundred twenty-two".