25285927 has 2 divisors, whose sum is σ = 25285928. Its totient is φ = 25285926.

The previous prime is 25285921. The next prime is 25285937. The reversal of 25285927 is 72958252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25285927 - 2¹⁵ = 25253159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25285927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25285921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12642963 + 12642964.

It is an arithmetic number, because the mean of its divisors is an integer number (12642964).

Almost surely, 2^25285927 is an apocalyptic number.

25285927 is a deficient number, since it is larger than the sum of its proper divisors (1).

25285927 is an equidigital number, since it uses as much as digits as its factorization.

25285927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 25285927 is about 5028.5114099503. The cubic root of 25285927 is about 293.5122916531.

The spelling of 25285927 in words is "twenty-five million, two hundred eighty-five thousand, nine hundred twenty-seven".