2587253613 has 32 divisors (see below), whose sum is σ = 4177910016. Its totient is φ = 1390291968.

The previous prime is 2587253597. The next prime is 2587253633. The reversal of 2587253613 is 3163527852.

It is a happy number.

It is not a de Polignac number, because 2587253613 - 2⁴ = 2587253597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587253633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573595 + ... + 578087.

It is an arithmetic number, because the mean of its divisors is an integer number (130559688).

Almost surely, 2^2587253613 is an apocalyptic number.

It is an amenable number.

2587253613 is a deficient number, since it is larger than the sum of its proper divisors (1590656403).

2587253613 is a wasteful number, since it uses less digits than its factorization.

2587253613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133.

The product of its digits is 302400, while the sum is 42.

The square root of 2587253613 is about 50865.0529636999. The cubic root of 2587253613 is about 1372.8181131968.

The spelling of 2587253613 in words is "two billion, five hundred eighty-seven million, two hundred fifty-three thousand, six hundred thirteen".