27192013 has 2 divisors, whose sum is σ = 27192014. Its totient is φ = 27192012.

The previous prime is 27191999. The next prime is 27192023. The reversal of 27192013 is 31029172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18507204 + 8684809 = 4302^2 + 2947^2 .

It is a cyclic number.

It is not a de Polignac number, because 27192013 - 2⁹ = 27191501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27192023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13596006 + 13596007.

It is an arithmetic number, because the mean of its divisors is an integer number (13596007).

Almost surely, 2^27192013 is an apocalyptic number.

It is an amenable number.

27192013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27192013 is an equidigital number, since it uses as much as digits as its factorization.

27192013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 27192013 is about 5214.5961492718. The cubic root of 27192013 is about 300.7094800634.

The spelling of 27192013 in words is "twenty-seven million, one hundred ninety-two thousand, thirteen".