525875522 has 4 divisors (see below), whose sum is σ = 788813286. Its totient is φ = 262937760.

The previous prime is 525875513. The next prime is 525875549. The reversal of 525875522 is 225578525.

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., 406869241 + 119006281 = 20171^2 + 10909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 525875522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131468879 + ... + 131468882.

Almost surely, 2^525875522 is an apocalyptic number.

525875522 is a deficient number, since it is larger than the sum of its proper divisors (262937764).

525875522 is a wasteful number, since it uses less digits than its factorization.

525875522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262937763.

The product of its digits is 280000, while the sum is 41.

The square root of 525875522 is about 22931.9759724277. The cubic root of 525875522 is about 807.1625159520.

The spelling of 525875522 in words is "five hundred twenty-five million, eight hundred seventy-five thousand, five hundred twenty-two".