27164441 has 2 divisors, whose sum is σ = 27164442. Its totient is φ = 27164440.

The previous prime is 27164437. The next prime is 27164443. The reversal of 27164441 is 14446172.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24049216 + 3115225 = 4904^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 27164441 - 2² = 27164437 is a prime.

Together with 27164443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27164443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13582220 + 13582221.

It is an arithmetic number, because the mean of its divisors is an integer number (13582221).

Almost surely, 2^27164441 is an apocalyptic number.

It is an amenable number.

27164441 is a deficient number, since it is larger than the sum of its proper divisors (1).

27164441 is an equidigital number, since it uses as much as digits as its factorization.

27164441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 27164441 is about 5211.9517457475. The cubic root of 27164441 is about 300.6078084720.

The spelling of 27164441 in words is "twenty-seven million, one hundred sixty-four thousand, four hundred forty-one".