2543750265 has 16 divisors (see below), whose sum is σ = 4651429248. Its totient is φ = 1162857216.

The previous prime is 2543750263. The next prime is 2543750303. The reversal of 2543750265 is 5620573452.

It is a happy number.

It is not a de Polignac number, because 2543750265 - 2¹ = 2543750263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543750263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12112992 + ... + 12113201.

It is an arithmetic number, because the mean of its divisors is an integer number (290714328).

Almost surely, 2^2543750265 is an apocalyptic number.

It is an amenable number.

2543750265 is a deficient number, since it is larger than the sum of its proper divisors (2107678983).

2543750265 is a wasteful number, since it uses less digits than its factorization.

2543750265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226208.

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 2543750265 is about 50435.6051316924. The cubic root of 2543750265 is about 1365.0801681102.

The spelling of 2543750265 in words is "two billion, five hundred forty-three million, seven hundred fifty thousand, two hundred sixty-five".