27214997 has 2 divisors, whose sum is σ = 27214998. Its totient is φ = 27214996.

The previous prime is 27214987. The next prime is 27215009. The reversal of 27214997 is 79941272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15319396 + 11895601 = 3914^2 + 3449^2 .

It is a cyclic number.

It is not a de Polignac number, because 27214997 - 2⁶ = 27214933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27214987) 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, 13607498 + 13607499.

It is an arithmetic number, because the mean of its divisors is an integer number (13607499).

Almost surely, 2^27214997 is an apocalyptic number.

It is an amenable number.

27214997 is a deficient number, since it is larger than the sum of its proper divisors (1).

27214997 is an equidigital number, since it uses as much as digits as its factorization.

27214997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 27214997 is about 5216.7994977764. The cubic root of 27214997 is about 300.7941809189.

The spelling of 27214997 in words is "twenty-seven million, two hundred fourteen thousand, nine hundred ninety-seven".