252504523031 has 4 divisors (see below), whose sum is σ = 252558493200. Its totient is φ = 252450552864.

The previous prime is 252504522997. The next prime is 252504523069. The reversal of 252504523031 is 130325405252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252504523031 is a prime.

It is a super-2 number, since 2×252504523031² (a number of 24 digits) 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 (252504523081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26978066 + ... + 26987423.

It is an arithmetic number, because the mean of its divisors is an integer number (63139623300).

Almost surely, 2^252504523031 is an apocalyptic number.

252504523031 is a deficient number, since it is larger than the sum of its proper divisors (53970169).

252504523031 is an equidigital number, since it uses as much as digits as its factorization.

252504523031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53970168.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 252504523031 its reverse (130325405252), we get a palindrome (382829928283).

The spelling of 252504523031 in words is "two hundred fifty-two billion, five hundred four million, five hundred twenty-three thousand, thirty-one".