25089855 has 32 divisors (see below), whose sum is σ = 46953984. Its totient is φ = 11200896.

The previous prime is 25089853. The next prime is 25089863. The reversal of 25089855 is 55898052.

It is not a de Polignac number, because 25089855 - 2¹ = 25089853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25089853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1737 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (1467312).

Almost surely, 2^25089855 is an apocalyptic number.

25089855 is a deficient number, since it is larger than the sum of its proper divisors (21864129).

25089855 is a wasteful number, since it uses less digits than its factorization.

25089855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 25089855 is about 5008.9774405561. The cubic root of 25089855 is about 292.7516717729.

The spelling of 25089855 in words is "twenty-five million, eighty-nine thousand, eight hundred fifty-five".