27164393 has 2 divisors, whose sum is σ = 27164394. Its totient is φ = 27164392.

The previous prime is 27164381. The next prime is 27164399. The reversal of 27164393 is 39346172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 10778089 = 4048^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 27164393 - 2⁴ = 27164377 is a prime.

It is not a weakly prime, because it can be changed into another prime (27164399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13582196 + 13582197.

It is an arithmetic number, because the mean of its divisors is an integer number (13582197).

Almost surely, 2^27164393 is an apocalyptic number.

It is an amenable number.

27164393 is a deficient number, since it is larger than the sum of its proper divisors (1).

27164393 is an equidigital number, since it uses as much as digits as its factorization.

27164393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 27164393 is about 5211.9471409445. The cubic root of 27164393 is about 300.6076314123.

The spelling of 27164393 in words is "twenty-seven million, one hundred sixty-four thousand, three hundred ninety-three".