531056373 has 4 divisors (see below), whose sum is σ = 708075168. Its totient is φ = 354037580.

The previous prime is 531056363. The next prime is 531056389. The reversal of 531056373 is 373650135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531056373 - 2⁸ = 531056117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531056363) 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, 88509393 + ... + 88509398.

It is an arithmetic number, because the mean of its divisors is an integer number (177018792).

Almost surely, 2^531056373 is an apocalyptic number.

It is an amenable number.

531056373 is a deficient number, since it is larger than the sum of its proper divisors (177018795).

531056373 is a wasteful number, since it uses less digits than its factorization.

531056373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177018794.

The product of its (nonzero) digits is 28350, while the sum is 33.

The square root of 531056373 is about 23044.6604010560. The cubic root of 531056373 is about 809.8045420781.

The spelling of 531056373 in words is "five hundred thirty-one million, fifty-six thousand, three hundred seventy-three".