25132885 has 12 divisors (see below), whose sum is σ = 32039748. Its totient is φ = 18922496.

The previous prime is 25132867. The next prime is 25132889. The reversal of 25132885 is 58823152.

It can be written as a sum of positive squares in 6 ways, for example, as 142884 + 24990001 = 378^2 + 4999^2 .

It is not a de Polignac number, because 25132885 - 2¹⁷ = 25001813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25132885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132889) 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 11 ways as a sum of consecutive naturals, for example, 7252 + ... + 10141.

It is an arithmetic number, because the mean of its divisors is an integer number (2669979).

Almost surely, 2^25132885 is an apocalyptic number.

It is an amenable number.

25132885 is a deficient number, since it is larger than the sum of its proper divisors (6906863).

25132885 is a wasteful number, since it uses less digits than its factorization.

25132885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432 (or 17415 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 25132885 is about 5013.2708883522. The cubic root of 25132885 is about 292.9189360556.

The spelling of 25132885 in words is "twenty-five million, one hundred thirty-two thousand, eight hundred eighty-five".