27316613 has 4 divisors (see below), whose sum is σ = 27327360. Its totient is φ = 27305868.

The previous prime is 27316607. The next prime is 27316643. The reversal of 27316613 is 31661372.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27316613 - 2¹² = 27312517 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 (27316643) 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, 818 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (6831840).

Almost surely, 2^27316613 is an apocalyptic number.

It is an amenable number.

27316613 is a deficient number, since it is larger than the sum of its proper divisors (10747).

27316613 is an equidigital number, since it uses as much as digits as its factorization.

27316613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

The product of its digits is 4536, while the sum is 29.

The square root of 27316613 is about 5226.5297282231. The cubic root of 27316613 is about 301.1680867490.

Adding to 27316613 its reverse (31661372), we get a palindrome (58977985).

The spelling of 27316613 in words is "twenty-seven million, three hundred sixteen thousand, six hundred thirteen".