27225797 has 2 divisors, whose sum is σ = 27225798. Its totient is φ = 27225796.

The previous prime is 27225769. The next prime is 27225871. The reversal of 27225797 is 79752272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21242881 + 5982916 = 4609^2 + 2446^2 .

It is a cyclic number.

It is not a de Polignac number, because 27225797 - 2²² = 23031493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27225197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13612898 + 13612899.

It is an arithmetic number, because the mean of its divisors is an integer number (13612899).

Almost surely, 2^27225797 is an apocalyptic number.

It is an amenable number.

27225797 is a deficient number, since it is larger than the sum of its proper divisors (1).

27225797 is an equidigital number, since it uses as much as digits as its factorization.

27225797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 27225797 is about 5217.8345125157. The cubic root of 27225797 is about 300.8339647132.

The spelling of 27225797 in words is "twenty-seven million, two hundred twenty-five thousand, seven hundred ninety-seven".