25555113 has 6 divisors (see below), whose sum is σ = 36912954. Its totient is φ = 17036736.

The previous prime is 25555111. The next prime is 25555147. The reversal of 25555113 is 31155552.

It can be written as a sum of positive squares in only one way, i.e., 12938409 + 12616704 = 3597^2 + 3552^2 .

It is not a de Polignac number, because 25555113 - 2¹ = 25555111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25555111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1419720 + ... + 1419737.

It is an arithmetic number, because the mean of its divisors is an integer number (6152159).

Almost surely, 2^25555113 is an apocalyptic number.

It is an amenable number.

25555113 is a deficient number, since it is larger than the sum of its proper divisors (11357841).

25555113 is a wasteful number, since it uses less digits than its factorization.

25555113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839463 (or 2839460 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 25555113 is about 5055.2065239711. The cubic root of 25555113 is about 294.5501637803.

The spelling of 25555113 in words is "twenty-five million, five hundred fifty-five thousand, one hundred thirteen".