2520057642531 has 16 divisors (see below), whose sum is σ = 3947502881280. Its totient is φ = 1409822457120.

The previous prime is 2520057642517. The next prime is 2520057642551. The reversal of 2520057642531 is 1352467500252.

It is not a de Polignac number, because 2520057642531 - 2³³ = 2511467707939 is a prime.

It is a super-2 number, since 2×2520057642531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2520057642551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2937129691 + ... + 2937130548.

It is an arithmetic number, because the mean of its divisors is an integer number (246718930080).

Almost surely, 2^{2520057642531} is an apocalyptic number.

2520057642531 is a deficient number, since it is larger than the sum of its proper divisors (1427445238749).

2520057642531 is a wasteful number, since it uses less digits than its factorization.

2520057642531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874260266.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 2520057642531 in words is "two trillion, five hundred twenty billion, fifty-seven million, six hundred forty-two thousand, five hundred thirty-one".