531085926 has 16 divisors (see below), whose sum is σ = 1213910784. Its totient is φ = 151738824.

The previous prime is 531085913. The next prime is 531085927. The reversal of 531085926 is 629580135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531085927) 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 7 ways as a sum of consecutive naturals, for example, 6322410 + ... + 6322493.

It is an arithmetic number, because the mean of its divisors is an integer number (75869424).

Almost surely, 2^531085926 is an apocalyptic number.

531085926 is an abundant number, since it is smaller than the sum of its proper divisors (682824858).

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

531085926 is a wasteful number, since it uses less digits than its factorization.

531085926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644915.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 531085926 is about 23045.3016035807. The cubic root of 531085926 is about 809.8195635277.

The spelling of 531085926 in words is "five hundred thirty-one million, eighty-five thousand, nine hundred twenty-six".