531307376 has 20 divisors (see below), whose sum is σ = 1064905800. Its totient is φ = 256492992.

The previous prime is 531307373. The next prime is 531307391. The reversal of 531307376 is 673703135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531307373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572066 + ... + 572993.

It is an arithmetic number, because the mean of its divisors is an integer number (53245290).

Almost surely, 2^531307376 is an apocalyptic number.

It is an amenable number.

531307376 is an abundant number, since it is smaller than the sum of its proper divisors (533598424).

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

531307376 is a wasteful number, since it uses less digits than its factorization.

531307376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145096 (or 1145090 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 531307376 is about 23050.1057698224. The cubic root of 531307376 is about 809.9321062841.

It can be divided in two parts, 53130 and 7376, that added together give a palindrome (60506).

The spelling of 531307376 in words is "five hundred thirty-one million, three hundred seven thousand, three hundred seventy-six".