2257597 has 2 divisors, whose sum is σ = 2257598. Its totient is φ = 2257596.

The previous prime is 2257579. The next prime is 2257609. The reversal of 2257597 is 7957522.

Together with previous prime (2257579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 244036 = 1419^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257597 - 2¹¹ = 2255549 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 2⁸ + 5⁴ + 7⁷ + 5⁷ + 9⁶ + 7⁷ .

2257597 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128798 + 1128799.

It is an arithmetic number, because the mean of its divisors is an integer number (1128799).

2^2257597 is an apocalyptic number.

It is an amenable number.

2257597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257597 is an equidigital number, since it uses as much as digits as its factorization.

2257597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 2257597 is about 1502.5301993637. The cubic root of 2257597 is about 131.1843838307.

The spelling of 2257597 in words is "two million, two hundred fifty-seven thousand, five hundred ninety-seven".