2597156253 has 6 divisors (see below), whose sum is σ = 3751447934. Its totient is φ = 1731437496.

The previous prime is 2597156231. The next prime is 2597156257. The reversal of 2597156253 is 3526517952.

2597156253 is a `hidden beast` number, since 2 + 5 + 9 + 7 + 15 + 625 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1847108484 + 750047769 = 42978^2 + 27387^2 .

It is not a de Polignac number, because 2597156253 - 2⁹ = 2597155741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2597156199 and 2597156208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597156257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144286450 + ... + 144286467.

Almost surely, 2^2597156253 is an apocalyptic number.

It is an amenable number.

2597156253 is a deficient number, since it is larger than the sum of its proper divisors (1154291681).

2597156253 is a wasteful number, since it uses less digits than its factorization.

2597156253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288572923 (or 288572920 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 2597156253 is about 50962.3022733471. The cubic root of 2597156253 is about 1374.5673575256.

The spelling of 2597156253 in words is "two billion, five hundred ninety-seven million, one hundred fifty-six thousand, two hundred fifty-three".