2597457 has 4 divisors (see below), whose sum is σ = 3463280. Its totient is φ = 1731636.

The previous prime is 2597453. The next prime is 2597461. The reversal of 2597457 is 7547952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2597453) and next prime (2597461).

It is not a de Polignac number, because 2597457 - 2² = 2597453 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5⁷ + 9⁶ + 7⁵ + 4⁵ + 5⁹ + 7⁵ .

It is a D-number.

It is a Duffinian number.

2597457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2597453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432907 + ... + 432912.

It is an arithmetic number, because the mean of its divisors is an integer number (865820).

2^2597457 is an apocalyptic number.

It is an amenable number.

2597457 is a deficient number, since it is larger than the sum of its proper divisors (865823).

2597457 is an equidigital number, since it uses as much as digits as its factorization.

2597457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865822.

The product of its digits is 88200, while the sum is 39.

The square root of 2597457 is about 1611.6628059244. The cubic root of 2597457 is about 137.4620413126.

The spelling of 2597457 in words is "two million, five hundred ninety-seven thousand, four hundred fifty-seven".