27425927 has 2 divisors, whose sum is σ = 27425928. Its totient is φ = 27425926.

The previous prime is 27425897. The next prime is 27425929. The reversal of 27425927 is 72952472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27425927 is a prime.

Together with 27425929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27425929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13712963 + 13712964.

It is an arithmetic number, because the mean of its divisors is an integer number (13712964).

Almost surely, 2^27425927 is an apocalyptic number.

27425927 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425927 is an equidigital number, since it uses as much as digits as its factorization.

27425927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 27425927 is about 5236.9768951180. The cubic root of 27425927 is about 301.5692842505.

The spelling of 27425927 in words is "twenty-seven million, four hundred twenty-five thousand, nine hundred twenty-seven".