25885427 has 2 divisors, whose sum is σ = 25885428. Its totient is φ = 25885426.

The previous prime is 25885417. The next prime is 25885493. The reversal of 25885427 is 72458852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25885427 - 2²² = 21691123 is a prime.

It is not a weakly prime, because it can be changed into another prime (25885417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942713 + 12942714.

It is an arithmetic number, because the mean of its divisors is an integer number (12942714).

Almost surely, 2^25885427 is an apocalyptic number.

25885427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25885427 is an equidigital number, since it uses as much as digits as its factorization.

25885427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 41.

The square root of 25885427 is about 5087.7723022950. The cubic root of 25885427 is about 295.8138095868.

The spelling of 25885427 in words is "twenty-five million, eight hundred eighty-five thousand, four hundred twenty-seven".