25163255 has 24 divisors (see below), whose sum is σ = 33142032. Its totient is φ = 18330624.

The previous prime is 25163251. The next prime is 25163263. The reversal of 25163255 is 55236152.

It is a happy number.

It is not a de Polignac number, because 25163255 - 2² = 25163251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25163251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81812 + ... + 82118.

It is an arithmetic number, because the mean of its divisors is an integer number (1380918).

Almost surely, 2^25163255 is an apocalyptic number.

25163255 is a deficient number, since it is larger than the sum of its proper divisors (7978777).

25163255 is a wasteful number, since it uses less digits than its factorization.

25163255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 422 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 25163255 is about 5016.2989344735. The cubic root of 25163255 is about 293.0368740648.

The spelling of 25163255 in words is "twenty-five million, one hundred sixty-three thousand, two hundred fifty-five".