523875534 has 32 divisors (see below), whose sum is σ = 1289541120. Its totient is φ = 138164832.

The previous prime is 523875511. The next prime is 523875551. The reversal of 523875534 is 435578325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479194 + ... + 480285.

It is an arithmetic number, because the mean of its divisors is an integer number (40298160).

Almost surely, 2^523875534 is an apocalyptic number.

523875534 is an abundant number, since it is smaller than the sum of its proper divisors (765665586).

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

523875534 is a wasteful number, since it uses less digits than its factorization.

523875534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959504.

The product of its digits is 504000, while the sum is 42.

The square root of 523875534 is about 22888.3274618308. The cubic root of 523875534 is about 806.1379603221.

The spelling of 523875534 in words is "five hundred twenty-three million, eight hundred seventy-five thousand, five hundred thirty-four".