25427285 has 16 divisors (see below), whose sum is σ = 33922560. Its totient is φ = 18169920.

The previous prime is 25427273. The next prime is 25427309. The reversal of 25427285 is 58272452.

It is not a de Polignac number, because 25427285 - 2⁶ = 25427221 is a prime.

It is a Curzon number.

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, 4295 + ... + 8324.

It is an arithmetic number, because the mean of its divisors is an integer number (2120160).

Almost surely, 2^25427285 is an apocalyptic number.

It is an amenable number.

25427285 is a deficient number, since it is larger than the sum of its proper divisors (8495275).

25427285 is a wasteful number, since it uses less digits than its factorization.

25427285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668.

The product of its digits is 44800, while the sum is 35.

The square root of 25427285 is about 5042.5474712689. The cubic root of 25427285 is about 294.0582242344.

The spelling of 25427285 in words is "twenty-five million, four hundred twenty-seven thousand, two hundred eighty-five".