2500003265 has 8 divisors (see below), whose sum is σ = 3021587520. Its totient is φ = 1985613552.

The previous prime is 2500003241. The next prime is 2500003267. The reversal of 2500003265 is 5623000052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2500003265 - 2¹² = 2499999169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500003265.

It is not an unprimeable number, because it can be changed into a prime (2500003267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797869 + ... + 1799258.

It is an arithmetic number, because the mean of its divisors is an integer number (377698440).

Almost surely, 2^2500003265 is an apocalyptic number.

It is an amenable number.

2500003265 is a deficient number, since it is larger than the sum of its proper divisors (521584255).

2500003265 is a wasteful number, since it uses less digits than its factorization.

2500003265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597271.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2500003265 is about 50000.0326499893. The cubic root of 2500003265 is about 1357.2093991354.

The spelling of 2500003265 in words is "two billion, five hundred million, three thousand, two hundred sixty-five".