27039497 has 2 divisors, whose sum is σ = 27039498. Its totient is φ = 27039496.

The previous prime is 27039479. The next prime is 27039499. The reversal of 27039497 is 79493072.

Together with previous prime (27039479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26327161 + 712336 = 5131^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 27039497 - 2¹² = 27035401 is a prime.

It is a super-2 number, since 2×27039497² = 1462268796026018, which contains 22 as substring.

Together with 27039499, 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 (27039499) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13519748 + 13519749.

It is an arithmetic number, because the mean of its divisors is an integer number (13519749).

Almost surely, 2^27039497 is an apocalyptic number.

It is an amenable number.

27039497 is a deficient number, since it is larger than the sum of its proper divisors (1).

27039497 is an equidigital number, since it uses as much as digits as its factorization.

27039497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 27039497 is about 5199.9516343905. The cubic root of 27039497 is about 300.1462139119.

The spelling of 27039497 in words is "twenty-seven million, thirty-nine thousand, four hundred ninety-seven".