523034531 has 4 divisors (see below), whose sum is σ = 525223200. Its totient is φ = 520845864.

The previous prime is 523034503. The next prime is 523034549. The reversal of 523034531 is 135430325.

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

It is a cyclic number.

It is not a de Polignac number, because 523034531 - 2²² = 518840227 is a prime.

It is a super-2 number, since 2×523034531² = 547130241236779922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523034531.

It is not an unprimeable number, because it can be changed into a prime (523034131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093976 + ... + 1094453.

It is an arithmetic number, because the mean of its divisors is an integer number (131305800).

Almost surely, 2^523034531 is an apocalyptic number.

523034531 is a deficient number, since it is larger than the sum of its proper divisors (2188669).

523034531 is a wasteful number, since it uses less digits than its factorization.

523034531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188668.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 523034531 is about 22869.9482071998. The cubic root of 523034531 is about 805.7063517225.

Adding to 523034531 its reverse (135430325), we get a palindrome (658464856).

The spelling of 523034531 in words is "five hundred twenty-three million, thirty-four thousand, five hundred thirty-one".