2523347257 has 2 divisors, whose sum is σ = 2523347258. Its totient is φ = 2523347256.

The previous prime is 2523347249. The next prime is 2523347261. The reversal of 2523347257 is 7527433252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2151011641 + 372335616 = 46379^2 + 19296^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523347257 - 2³ = 2523347249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2523347287) 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, 1261673628 + 1261673629.

It is an arithmetic number, because the mean of its divisors is an integer number (1261673629).

Almost surely, 2^2523347257 is an apocalyptic number.

It is an amenable number.

2523347257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523347257 is an equidigital number, since it uses as much as digits as its factorization.

2523347257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 40.

The square root of 2523347257 is about 50232.9300061225. The cubic root of 2523347257 is about 1361.4206710358.

The spelling of 2523347257 in words is "two billion, five hundred twenty-three million, three hundred forty-seven thousand, two hundred fifty-seven".