2545856875 has 10 divisors (see below), whose sum is σ = 3181303532. Its totient is φ = 2036685000.

The previous prime is 2545856851. The next prime is 2545856921. The reversal of 2545856875 is 5786585452.

It is not a de Polignac number, because 2545856875 - 2²⁹ = 2008985963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2036061 + ... + 2037310.

Almost surely, 2^2545856875 is an apocalyptic number.

2545856875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2545856875 is a deficient number, since it is larger than the sum of its proper divisors (635446657).

2545856875 is an frugal number, since it uses more digits than its factorization.

2545856875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073391 (or 4073376 counting only the distinct ones).

The product of its digits is 13440000, while the sum is 55.

The square root of 2545856875 is about 50456.4849647694. The cubic root of 2545856875 is about 1365.4568950897.

The spelling of 2545856875 in words is "two billion, five hundred forty-five million, eight hundred fifty-six thousand, eight hundred seventy-five".