25525285 has 16 divisors (see below), whose sum is σ = 32171904. Its totient is φ = 19404352.

The previous prime is 25525243. The next prime is 25525319. The reversal of 25525285 is 58252552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25525285 - 2⁹ = 25524773 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 25525285.

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, 19254 + ... + 20536.

It is an arithmetic number, because the mean of its divisors is an integer number (2010744).

Almost surely, 2^25525285 is an apocalyptic number.

It is an amenable number.

25525285 is a deficient number, since it is larger than the sum of its proper divisors (6646619).

25525285 is a wasteful number, since it uses less digits than its factorization.

25525285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484.

The product of its digits is 40000, while the sum is 34.

The square root of 25525285 is about 5052.2554369311. The cubic root of 25525285 is about 294.4355192369.

The spelling of 25525285 in words is "twenty-five million, five hundred twenty-five thousand, two hundred eighty-five".