25268885 has 16 divisors (see below), whose sum is σ = 32232816. Its totient is φ = 18951168.

The previous prime is 25268869. The next prime is 25268909. The reversal of 25268885 is 58886252.

It can be written as a sum of positive squares in 8 ways, for example, as 208849 + 25060036 = 457^2 + 5006^2 .

It is a cyclic number.

It is not a de Polignac number, because 25268885 - 2⁴ = 25268869 is a prime.

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, 31307 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (2014551).

Almost surely, 2^25268885 is an apocalyptic number.

It is an amenable number.

25268885 is a deficient number, since it is larger than the sum of its proper divisors (6963931).

25268885 is a wasteful number, since it uses less digits than its factorization.

25268885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 307200, while the sum is 44.

The square root of 25268885 is about 5026.8165870658. The cubic root of 25268885 is about 293.4463371713.

It can be divided in two parts, 2526 and 8885, that added together give a palindrome (11411).

The spelling of 25268885 in words is "twenty-five million, two hundred sixty-eight thousand, eight hundred eighty-five".