25555255 has 16 divisors (see below), whose sum is σ = 33616800. Its totient is φ = 18495360.

The previous prime is 25555249. The next prime is 25555261. The reversal of 25555255 is 55255552.

It is an interprime number because it is at equal distance from previous prime (25555249) and next prime (25555261).

It is not a de Polignac number, because 25555255 - 2⁵ = 25555223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25555255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11581 + ... + 13609.

It is an arithmetic number, because the mean of its divisors is an integer number (2101050).

Almost surely, 2^25555255 is an apocalyptic number.

25555255 is a deficient number, since it is larger than the sum of its proper divisors (8061545).

25555255 is a wasteful number, since it uses less digits than its factorization.

25555255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

The product of its digits is 62500, while the sum is 34.

The square root of 25555255 is about 5055.2205688773. The cubic root of 25555255 is about 294.5507093469.

The spelling of 25555255 in words is "twenty-five million, five hundred fifty-five thousand, two hundred fifty-five".