2560258751 has 2 divisors, whose sum is σ = 2560258752. Its totient is φ = 2560258750.

The previous prime is 2560258733. The next prime is 2560258807. The reversal of 2560258751 is 1578520652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2560258751 - 2²⁶ = 2493149887 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2560258699 and 2560258708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560258451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280129375 + 1280129376.

It is an arithmetic number, because the mean of its divisors is an integer number (1280129376).

Almost surely, 2^2560258751 is an apocalyptic number.

2560258751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560258751 is an equidigital number, since it uses as much as digits as its factorization.

2560258751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 2560258751 is about 50598.9995059191. Note that the first 3 decimals coincide. The cubic root of 2560258751 is about 1368.0268451622.

The spelling of 2560258751 in words is "two billion, five hundred sixty million, two hundred fifty-eight thousand, seven hundred fifty-one".