25231285 has 8 divisors (see below), whose sum is σ = 30310560. Its totient is φ = 20163024.

The previous prime is 25231279. The next prime is 25231301. The reversal of 25231285 is 58213252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25231285 - 2¹⁷ = 25100213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3646 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (3788820).

Almost surely, 2^25231285 is an apocalyptic number.

It is an amenable number.

25231285 is a deficient number, since it is larger than the sum of its proper divisors (5079275).

25231285 is a wasteful number, since it uses less digits than its factorization.

25231285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507.

The product of its digits is 4800, while the sum is 28.

The square root of 25231285 is about 5023.0752532687. The cubic root of 25231285 is about 293.3007159267.

The spelling of 25231285 in words is "twenty-five million, two hundred thirty-one thousand, two hundred eighty-five".