2457331243 has 2 divisors, whose sum is σ = 2457331244. Its totient is φ = 2457331242.

The previous prime is 2457331223. The next prime is 2457331309. The reversal of 2457331243 is 3421337542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2457331243 - 2¹³ = 2457323051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2457331199 and 2457331208.

It is not a weakly prime, because it can be changed into another prime (2457331213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228665621 + 1228665622.

It is an arithmetic number, because the mean of its divisors is an integer number (1228665622).

Almost surely, 2^2457331243 is an apocalyptic number.

2457331243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457331243 is an equidigital number, since it uses as much as digits as its factorization.

2457331243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 2457331243 is about 49571.4761026944. The cubic root of 2457331243 is about 1349.4430703213.

Adding to 2457331243 its reverse (3421337542), we get a palindrome (5878668785).

The spelling of 2457331243 in words is "two billion, four hundred fifty-seven million, three hundred thirty-one thousand, two hundred forty-three".