2604137253 has 4 divisors (see below), whose sum is σ = 3472183008. Its totient is φ = 1736091500.

The previous prime is 2604137251. The next prime is 2604137297. The reversal of 2604137253 is 3527314062.

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 a cyclic number.

It is not a de Polignac number, because 2604137253 - 2¹ = 2604137251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604137251) 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, 434022873 + ... + 434022878.

It is an arithmetic number, because the mean of its divisors is an integer number (868045752).

Almost surely, 2^2604137253 is an apocalyptic number.

It is an amenable number.

2604137253 is a deficient number, since it is larger than the sum of its proper divisors (868045755).

2604137253 is an equidigital number, since it uses as much as digits as its factorization.

2604137253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868045754.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2604137253 is about 51030.7481132699. The cubic root of 2604137253 is about 1375.7978405246.

The spelling of 2604137253 in words is "two billion, six hundred four million, one hundred thirty-seven thousand, two hundred fifty-three".