2457243931 has 4 divisors (see below), whose sum is σ = 2457536752. Its totient is φ = 2456951112.

The previous prime is 2457243871. The next prime is 2457243941. The reversal of 2457243931 is 1393427542.

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 2457243931 - 2¹¹ = 2457241883 is a prime.

It is a super-2 number, since 2×2457243931² = 12076095472872665522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2457243941) 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, 133440 + ... + 150733.

It is an arithmetic number, because the mean of its divisors is an integer number (614384188).

Almost surely, 2^2457243931 is an apocalyptic number.

2457243931 is a deficient number, since it is larger than the sum of its proper divisors (292821).

2457243931 is an equidigital number, since it uses as much as digits as its factorization.

2457243931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292820.

The product of its digits is 181440, while the sum is 40.

The square root of 2457243931 is about 49570.5954271280. The cubic root of 2457243931 is about 1349.4270876749.

The spelling of 2457243931 in words is "two billion, four hundred fifty-seven million, two hundred forty-three thousand, nine hundred thirty-one".