27836513 has 2 divisors, whose sum is σ = 27836514. Its totient is φ = 27836512.

The previous prime is 27836483. The next prime is 27836527. The reversal of 27836513 is 31563872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27583504 + 253009 = 5252^2 + 503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27836513 is a prime.

It is not a weakly prime, because it can be changed into another prime (27836573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13918256 + 13918257.

It is an arithmetic number, because the mean of its divisors is an integer number (13918257).

Almost surely, 2^27836513 is an apocalyptic number.

It is an amenable number.

27836513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27836513 is an equidigital number, since it uses as much as digits as its factorization.

27836513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 27836513 is about 5276.0319369769. The cubic root of 27836513 is about 303.0667398288.

The spelling of 27836513 in words is "twenty-seven million, eight hundred thirty-six thousand, five hundred thirteen".