2257382497 has 2 divisors, whose sum is σ = 2257382498. Its totient is φ = 2257382496.

The previous prime is 2257382471. The next prime is 2257382527. The reversal of 2257382497 is 7942837522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1668640801 + 588741696 = 40849^2 + 24264^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257382497 - 2¹¹ = 2257380449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257382497.

It is not a weakly prime, because it can be changed into another prime (2257382447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128691248 + 1128691249.

It is an arithmetic number, because the mean of its divisors is an integer number (1128691249).

Almost surely, 2^2257382497 is an apocalyptic number.

It is an amenable number.

2257382497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257382497 is an equidigital number, since it uses as much as digits as its factorization.

2257382497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 2257382497 is about 47511.9195255254. The cubic root of 2257382497 is about 1311.8022892095.

The spelling of 2257382497 in words is "two billion, two hundred fifty-seven million, three hundred eighty-two thousand, four hundred ninety-seven".