2500009265 has 64 divisors (see below), whose sum is σ = 3572674560. Its totient is φ = 1661679360.

The previous prime is 2500009261. The next prime is 2500009271. The reversal of 2500009265 is 5629000052.

It is not a de Polignac number, because 2500009265 - 2² = 2500009261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500009261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8038460 + ... + 8038770.

It is an arithmetic number, because the mean of its divisors is an integer number (55823040).

Almost surely, 2^2500009265 is an apocalyptic number.

It is an amenable number.

2500009265 is a deficient number, since it is larger than the sum of its proper divisors (1072665295).

2500009265 is a wasteful number, since it uses less digits than its factorization.

2500009265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2500009265 is about 50000.0926499142. The cubic root of 2500009265 is about 1357.2104849007.

The spelling of 2500009265 in words is "two billion, five hundred million, nine thousand, two hundred sixty-five".