27425897 has 2 divisors, whose sum is σ = 27425898. Its totient is φ = 27425896.

The previous prime is 27425887. The next prime is 27425927. The reversal of 27425897 is 79852472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27415696 + 10201 = 5236^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 27425897 - 2⁶ = 27425833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27425887) 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, 13712948 + 13712949.

It is an arithmetic number, because the mean of its divisors is an integer number (13712949).

Almost surely, 2^27425897 is an apocalyptic number.

It is an amenable number.

27425897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425897 is an equidigital number, since it uses as much as digits as its factorization.

27425897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 27425897 is about 5236.9740308694. The cubic root of 27425897 is about 301.5691742928.

The spelling of 27425897 in words is "twenty-seven million, four hundred twenty-five thousand, eight hundred ninety-seven".