2597131872 has 36 divisors (see below), whose sum is σ = 7385594580. Its totient is φ = 865710528.

The previous prime is 2597131853. The next prime is 2597131883. The reversal of 2597131872 is 2781317952.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4508622 + ... + 4509197.

It is an arithmetic number, because the mean of its divisors is an integer number (205155405).

Almost surely, 2^2597131872 is an apocalyptic number.

It is an amenable number.

2597131872 is an abundant number, since it is smaller than the sum of its proper divisors (4788462708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2597131872 is a wasteful number, since it uses less digits than its factorization.

2597131872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017835 (or 9017824 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 2597131872 is about 50962.0630665596. The cubic root of 2597131872 is about 1374.5630562273.

The spelling of 2597131872 in words is "two billion, five hundred ninety-seven million, one hundred thirty-one thousand, eight hundred seventy-two".