27215113 has 4 divisors (see below), whose sum is σ = 28816020. Its totient is φ = 25614208.

The previous prime is 27215101. The next prime is 27215161. The reversal of 27215113 is 31151272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12873744 + 14341369 = 3588^2 + 3787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27215113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27219113) 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, 800428 + ... + 800461.

It is an arithmetic number, because the mean of its divisors is an integer number (7204005).

Almost surely, 2^27215113 is an apocalyptic number.

It is an amenable number.

27215113 is a deficient number, since it is larger than the sum of its proper divisors (1600907).

27215113 is a wasteful number, since it uses less digits than its factorization.

27215113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600906.

The product of its digits is 420, while the sum is 22.

The square root of 27215113 is about 5216.8106156923. The cubic root of 27215113 is about 300.7946082822.

Adding to 27215113 its reverse (31151272), we get a palindrome (58366385).

The spelling of 27215113 in words is "twenty-seven million, two hundred fifteen thousand, one hundred thirteen".