2259915257 has 2 divisors, whose sum is σ = 2259915258. Its totient is φ = 2259915256.

The previous prime is 2259915253. The next prime is 2259915269. The reversal of 2259915257 is 7525199522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214104336 + 1045810921 = 34844^2 + 32339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259915257 - 2² = 2259915253 is a prime.

It is not a weakly prime, because it can be changed into another prime (2259915253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129957628 + 1129957629.

It is an arithmetic number, because the mean of its divisors is an integer number (1129957629).

Almost surely, 2^2259915257 is an apocalyptic number.

It is an amenable number.

2259915257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259915257 is an equidigital number, since it uses as much as digits as its factorization.

2259915257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 47.

The square root of 2259915257 is about 47538.5659964623. The cubic root of 2259915257 is about 1312.2927154071.

The spelling of 2259915257 in words is "two billion, two hundred fifty-nine million, nine hundred fifteen thousand, two hundred fifty-seven".