2523440012531 has 2 divisors, whose sum is σ = 2523440012532. Its totient is φ = 2523440012530.

The previous prime is 2523440012453. The next prime is 2523440012581. The reversal of 2523440012531 is 1352100443252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2523440012531 is a prime.

It is a super-2 number, since 2×2523440012531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2523440012581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261720006265 + 1261720006266.

It is an arithmetic number, because the mean of its divisors is an integer number (1261720006266).

Almost surely, 2^{2523440012531} is an apocalyptic number.

2523440012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523440012531 is an equidigital number, since it uses as much as digits as its factorization.

2523440012531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2523440012531 its reverse (1352100443252), we get a palindrome (3875540455783).

The spelling of 2523440012531 in words is "two trillion, five hundred twenty-three billion, four hundred forty million, twelve thousand, five hundred thirty-one".