2522516257 has 2 divisors, whose sum is σ = 2522516258. Its totient is φ = 2522516256.

The previous prime is 2522516233. The next prime is 2522516263. The reversal of 2522516257 is 7526152252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1825767441 + 696748816 = 42729^2 + 26396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522516257 - 2¹⁵ = 2522483489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2522526257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261258128 + 1261258129.

It is an arithmetic number, because the mean of its divisors is an integer number (1261258129).

Almost surely, 2^2522516257 is an apocalyptic number.

It is an amenable number.

2522516257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522516257 is an equidigital number, since it uses as much as digits as its factorization.

2522516257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 2522516257 is about 50224.6578584663. The cubic root of 2522516257 is about 1361.2712049130.

The spelling of 2522516257 in words is "two billion, five hundred twenty-two million, five hundred sixteen thousand, two hundred fifty-seven".