27013397 has 2 divisors, whose sum is σ = 27013398. Its totient is φ = 27013396.

The previous prime is 27013387. The next prime is 27013457. The reversal of 27013397 is 79331072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25816561 + 1196836 = 5081^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 27013397 - 2⁸ = 27013141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27013387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13506698 + 13506699.

It is an arithmetic number, because the mean of its divisors is an integer number (13506699).

Almost surely, 2^27013397 is an apocalyptic number.

It is an amenable number.

27013397 is a deficient number, since it is larger than the sum of its proper divisors (1).

27013397 is an equidigital number, since it uses as much as digits as its factorization.

27013397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 27013397 is about 5197.4413897609. The cubic root of 27013397 is about 300.0496103141.

The spelling of 27013397 in words is "twenty-seven million, thirteen thousand, three hundred ninety-seven".