2543771125 has 32 divisors (see below), whose sum is σ = 3632578560. Its totient is φ = 1742169600.

The previous prime is 2543771117. The next prime is 2543771161. The reversal of 2543771125 is 5211773452.

It is not a de Polignac number, because 2543771125 - 2³ = 2543771117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117989 + ... + 1120261.

It is an arithmetic number, because the mean of its divisors is an integer number (113518080).

Almost surely, 2^2543771125 is an apocalyptic number.

2543771125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543771125 is a deficient number, since it is larger than the sum of its proper divisors (1088807435).

2543771125 is a wasteful number, since it uses less digits than its factorization.

2543771125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3564 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 2543771125 is about 50435.8119296200. The cubic root of 2543771125 is about 1365.0838995423.

The spelling of 2543771125 in words is "two billion, five hundred forty-three million, seven hundred seventy-one thousand, one hundred twenty-five".