27165013 has 4 divisors (see below), whose sum is σ = 27743040. Its totient is φ = 26586988.

The previous prime is 27164989. The next prime is 27165029. The reversal of 27165013 is 31056172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27165013 - 2⁵ = 27164981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27165043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288943 + ... + 289036.

It is an arithmetic number, because the mean of its divisors is an integer number (6935760).

Almost surely, 2^27165013 is an apocalyptic number.

It is an amenable number.

27165013 is a deficient number, since it is larger than the sum of its proper divisors (578027).

27165013 is an equidigital number, since it uses as much as digits as its factorization.

27165013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578026.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 27165013 is about 5212.0066193358. The cubic root of 27165013 is about 300.6099184173.

The spelling of 27165013 in words is "twenty-seven million, one hundred sixty-five thousand, thirteen".