2500012555 has 8 divisors (see below), whose sum is σ = 3027538800. Its totient is φ = 1981660896.

The previous prime is 2500012553. The next prime is 2500012589. The reversal of 2500012555 is 5552100052.

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 2500012555 - 2¹ = 2500012553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500012553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293045 + ... + 2294134.

It is an arithmetic number, because the mean of its divisors is an integer number (378442350).

Almost surely, 2^2500012555 is an apocalyptic number.

2500012555 is a deficient number, since it is larger than the sum of its proper divisors (527526245).

2500012555 is a wasteful number, since it uses less digits than its factorization.

2500012555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587293.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 2500012555 is about 50000.1255498424. The cubic root of 2500012555 is about 1357.2110802612.

The spelling of 2500012555 in words is "two billion, five hundred million, twelve thousand, five hundred fifty-five".