2502502775257 has 2 divisors, whose sum is σ = 2502502775258. Its totient is φ = 2502502775256.

The previous prime is 2502502775243. The next prime is 2502502775309. The reversal of 2502502775257 is 7525772052052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1567676780761 + 934825994496 = 1252069^2 + 966864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2502502775257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2502502775257.

It is not a weakly prime, because it can be changed into another prime (2502502778257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251251387628 + 1251251387629.

It is an arithmetic number, because the mean of its divisors is an integer number (1251251387629).

Almost surely, 2^{2502502775257} is an apocalyptic number.

It is an amenable number.

2502502775257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502502775257 is an equidigital number, since it uses as much as digits as its factorization.

2502502775257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3430000, while the sum is 49.

The spelling of 2502502775257 in words is "two trillion, five hundred two billion, five hundred two million, seven hundred seventy-five thousand, two hundred fifty-seven".