25055255 has 4 divisors (see below), whose sum is σ = 30066312. Its totient is φ = 20044200.

The previous prime is 25055237. The next prime is 25055267. The reversal of 25055255 is 55255052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-25055255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2505521 + ... + 2505530.

It is an arithmetic number, because the mean of its divisors is an integer number (7516578).

Almost surely, 2^25055255 is an apocalyptic number.

25055255 is a deficient number, since it is larger than the sum of its proper divisors (5011057).

25055255 is an equidigital number, since it uses as much as digits as its factorization.

25055255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011056.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 25055255 is about 5005.5224502543. The cubic root of 25055255 is about 292.6170374407.

The spelling of 25055255 in words is "twenty-five million, fifty-five thousand, two hundred fifty-five".