2497240831 has 2 divisors, whose sum is σ = 2497240832. Its totient is φ = 2497240830.

The previous prime is 2497240829. The next prime is 2497240843. The reversal of 2497240831 is 1380427942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2497240831 - 2¹ = 2497240829 is a prime.

It is a super-2 number, since 2×2497240831² = 12472423536027141122, which contains 22 as substring.

Together with 2497240829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2497240531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248620415 + 1248620416.

It is an arithmetic number, because the mean of its divisors is an integer number (1248620416).

Almost surely, 2^2497240831 is an apocalyptic number.

2497240831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497240831 is an equidigital number, since it uses as much as digits as its factorization.

2497240831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2497240831 is about 49972.4006927824. The cubic root of 2497240831 is about 1356.7093220340.

The spelling of 2497240831 in words is "two billion, four hundred ninety-seven million, two hundred forty thousand, eight hundred thirty-one".