27133397 has 2 divisors, whose sum is σ = 27133398. Its totient is φ = 27133396.

The previous prime is 27133391. The next prime is 27133409. The reversal of 27133397 is 79333172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24940036 + 2193361 = 4994^2 + 1481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27133397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27133391) 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, 13566698 + 13566699.

It is an arithmetic number, because the mean of its divisors is an integer number (13566699).

Almost surely, 2^27133397 is an apocalyptic number.

It is an amenable number.

27133397 is a deficient number, since it is larger than the sum of its proper divisors (1).

27133397 is an equidigital number, since it uses as much as digits as its factorization.

27133397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 35.

The square root of 27133397 is about 5208.9727394180. The cubic root of 27133397 is about 300.4932515283.

The spelling of 27133397 in words is "twenty-seven million, one hundred thirty-three thousand, three hundred ninety-seven".