522152872 has 8 divisors (see below), whose sum is σ = 979036650. Its totient is φ = 261076432.

The previous prime is 522152849. The next prime is 522152887. The reversal of 522152872 is 278251225.

It can be written as a sum of positive squares in only one way, i.e., 481626916 + 40525956 = 21946^2 + 6366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32634547 + ... + 32634562.

Almost surely, 2^522152872 is an apocalyptic number.

It is an amenable number.

522152872 is a deficient number, since it is larger than the sum of its proper divisors (456883778).

522152872 is a wasteful number, since it uses less digits than its factorization.

522152872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65269115 (or 65269111 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 522152872 is about 22850.6645855214. The cubic root of 522152872 is about 805.2533811380.

The spelling of 522152872 in words is "five hundred twenty-two million, one hundred fifty-two thousand, eight hundred seventy-two".