25904245 has 8 divisors (see below), whose sum is σ = 31612320. Its totient is φ = 20371920.

The previous prime is 25904237. The next prime is 25904257. The reversal of 25904245 is 54240952.

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

It is not a de Polignac number, because 25904245 - 2³ = 25904237 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, 43611 + ... + 44200.

It is an arithmetic number, because the mean of its divisors is an integer number (3951540).

Almost surely, 2^25904245 is an apocalyptic number.

It is an amenable number.

25904245 is a deficient number, since it is larger than the sum of its proper divisors (5708075).

25904245 is an equidigital number, since it uses as much as digits as its factorization.

25904245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87875.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 25904245 is about 5089.6213022189. The cubic root of 25904245 is about 295.8854750827.

The spelling of 25904245 in words is "twenty-five million, nine hundred four thousand, two hundred forty-five".