2492897831 has 4 divisors (see below), whose sum is σ = 2624103000. Its totient is φ = 2361692664.

The previous prime is 2492897819. The next prime is 2492897843. The reversal of 2492897831 is 1387982942.

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

It is an interprime number because it is at equal distance from previous prime (2492897819) and next prime (2492897843).

It is a cyclic number.

It is not a de Polignac number, because 2492897831 - 2¹⁸ = 2492635687 is a prime.

It is a super-2 number, since 2×2492897831² = 12429079191609009122, which 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 (2492897861) 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, 65602556 + ... + 65602593.

It is an arithmetic number, because the mean of its divisors is an integer number (656025750).

Almost surely, 2^2492897831 is an apocalyptic number.

2492897831 is a deficient number, since it is larger than the sum of its proper divisors (131205169).

2492897831 is a wasteful number, since it uses less digits than its factorization.

2492897831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131205168.

The product of its digits is 1741824, while the sum is 53.

The square root of 2492897831 is about 49928.9277974202. The cubic root of 2492897831 is about 1355.9223724861.

The spelling of 2492897831 in words is "two billion, four hundred ninety-two million, eight hundred ninety-seven thousand, eight hundred thirty-one".