2542882931 has 4 divisors (see below), whose sum is σ = 2544592200. Its totient is φ = 2541173664.

The previous prime is 2542882913. The next prime is 2542882943. The reversal of 2542882931 is 1392882452.

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

It is a cyclic number.

It is not a de Polignac number, because 2542882931 - 2²² = 2538688627 is a prime.

It is a super-2 number, since 2×2542882931² = 12932507201542301522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542882961) 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, 852401 + ... + 855378.

It is an arithmetic number, because the mean of its divisors is an integer number (636148050).

Almost surely, 2^2542882931 is an apocalyptic number.

2542882931 is a deficient number, since it is larger than the sum of its proper divisors (1709269).

2542882931 is a wasteful number, since it uses less digits than its factorization.

2542882931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709268.

The product of its digits is 276480, while the sum is 44.

The square root of 2542882931 is about 50427.0059690242. The cubic root of 2542882931 is about 1364.9250015371.

The spelling of 2542882931 in words is "two billion, five hundred forty-two million, eight hundred eighty-two thousand, nine hundred thirty-one".