538568831 has 12 divisors (see below), whose sum is σ = 561606864. Its totient is φ = 516432000.

The previous prime is 538568827. The next prime is 538568839. The reversal of 538568831 is 138865835.

538568831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538568831 - 2² = 538568827 is a prime.

It is a super-2 number, since 2×538568831² = 580112771449413122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538568839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124871 + ... + 129111.

It is an arithmetic number, because the mean of its divisors is an integer number (46800572).

Almost surely, 2^538568831 is an apocalyptic number.

538568831 is a deficient number, since it is larger than the sum of its proper divisors (23038033).

538568831 is a wasteful number, since it uses less digits than its factorization.

538568831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450 (or 4421 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 538568831 is about 23207.0857929211. The cubic root of 538568831 is about 813.6052428714.

The spelling of 538568831 in words is "five hundred thirty-eight million, five hundred sixty-eight thousand, eight hundred thirty-one".