2457244457 has 2 divisors, whose sum is σ = 2457244458. Its totient is φ = 2457244456.

The previous prime is 2457244441. The next prime is 2457244469. The reversal of 2457244457 is 7544427542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1705607401 + 751637056 = 41299^2 + 27416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2457244457 - 2⁴ = 2457244441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2457244477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228622228 + 1228622229.

It is an arithmetic number, because the mean of its divisors is an integer number (1228622229).

Almost surely, 2^2457244457 is an apocalyptic number.

It is an amenable number.

2457244457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457244457 is an equidigital number, since it uses as much as digits as its factorization.

2457244457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1254400, while the sum is 44.

The square root of 2457244457 is about 49570.6007326924. The cubic root of 2457244457 is about 1349.4271839614.

The spelling of 2457244457 in words is "two billion, four hundred fifty-seven million, two hundred forty-four thousand, four hundred fifty-seven".