2597397 has 16 divisors (see below), whose sum is σ = 3901440. Its totient is φ = 1522800.

The previous prime is 2597377. The next prime is 2597401. The reversal of 2597397 is 7937952.

It is not a de Polignac number, because 2597397 - 2⁶ = 2597333 is a prime.

2597397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (243840).

2^2597397 is an apocalyptic number.

It is an amenable number.

2597397 is a deficient number, since it is larger than the sum of its proper divisors (1304043).

2597397 is a wasteful number, since it uses less digits than its factorization.

2597397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its digits is 119070, while the sum is 42.

The square root of 2597397 is about 1611.6441915013. The cubic root of 2597397 is about 137.4609828689.

The spelling of 2597397 in words is "two million, five hundred ninety-seven thousand, three hundred ninety-seven".