2597257 has 8 divisors (see below), whose sum is σ = 2812040. Its totient is φ = 2384640.

The previous prime is 2597237. The next prime is 2597263. The reversal of 2597257 is 7527952.

It can be written as a sum of positive squares in 4 ways, for example, as 335241 + 2262016 = 579^2 + 1504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2597257 - 2¹⁵ = 2564489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2597207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719 + ... + 3547.

It is an arithmetic number, because the mean of its divisors is an integer number (351505).

2^2597257 is an apocalyptic number.

It is an amenable number.

2597257 is a deficient number, since it is larger than the sum of its proper divisors (214783).

2597257 is a wasteful number, since it uses less digits than its factorization.

2597257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

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

The square root of 2597257 is about 1611.6007570115. The cubic root of 2597257 is about 137.4585131035.

The spelling of 2597257 in words is "two million, five hundred ninety-seven thousand, two hundred fifty-seven".