531013057 has 4 divisors (see below), whose sum is σ = 531082800. Its totient is φ = 530943316.

The previous prime is 531013033. The next prime is 531013069. The reversal of 531013057 is 750310135.

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 531013057 - 2¹⁹ = 530488769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531013027) 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, 21823 + ... + 39220.

It is an arithmetic number, because the mean of its divisors is an integer number (132770700).

Almost surely, 2^531013057 is an apocalyptic number.

It is an amenable number.

531013057 is a deficient number, since it is larger than the sum of its proper divisors (69743).

531013057 is an equidigital number, since it uses as much as digits as its factorization.

531013057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69742.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 531013057 is about 23043.7205546327. The cubic root of 531013057 is about 809.7825240469.

The spelling of 531013057 in words is "five hundred thirty-one million, thirteen thousand, fifty-seven".