27113569 has 4 divisors (see below), whose sum is σ = 30986944. Its totient is φ = 23240196.

The previous prime is 27113549. The next prime is 27113599. The reversal of 27113569 is 96531172.

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 not a de Polignac number, because 27113569 - 2¹⁷ = 26982497 is a prime.

It is a super-2 number, since 2×27113569² = 1470291247835522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27113519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936677 + ... + 1936690.

It is an arithmetic number, because the mean of its divisors is an integer number (7746736).

Almost surely, 2^27113569 is an apocalyptic number.

It is an amenable number.

27113569 is a deficient number, since it is larger than the sum of its proper divisors (3873375).

27113569 is an equidigital number, since it uses as much as digits as its factorization.

27113569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873374.

The product of its digits is 11340, while the sum is 34.

The square root of 27113569 is about 5207.0691372403. The cubic root of 27113569 is about 300.4200375463.

The spelling of 27113569 in words is "twenty-seven million, one hundred thirteen thousand, five hundred sixty-nine".