2540631875 has 20 divisors (see below), whose sum is σ = 3184624344. Its totient is φ = 2026200000.

The previous prime is 2540631869. The next prime is 2540631923. The reversal of 2540631875 is 5781360452.

It is not a de Polignac number, because 2540631875 - 2¹² = 2540627779 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 200735 + ... + 213015.

Almost surely, 2^2540631875 is an apocalyptic number.

2540631875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2540631875 is a deficient number, since it is larger than the sum of its proper divisors (643992469).

2540631875 is an equidigital number, since it uses as much as digits as its factorization.

2540631875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632 (or 12617 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2540631875 is about 50404.6810822170. The cubic root of 2540631875 is about 1364.5221215801.

The spelling of 2540631875 in words is "two billion, five hundred forty million, six hundred thirty-one thousand, eight hundred seventy-five".