27613223 has 4 divisors (see below), whose sum is σ = 30123528. Its totient is φ = 25102920.

The previous prime is 27613217. The next prime is 27613231. The reversal of 27613223 is 32231672.

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

It is a cyclic number.

It is not a de Polignac number, because 27613223 - 2⁴ = 27613207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27613192 and 27613201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27610223) 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, 1255136 + ... + 1255157.

It is an arithmetic number, because the mean of its divisors is an integer number (7530882).

Almost surely, 2^27613223 is an apocalyptic number.

27613223 is a deficient number, since it is larger than the sum of its proper divisors (2510305).

27613223 is a wasteful number, since it uses less digits than its factorization.

27613223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510304.

The product of its digits is 3024, while the sum is 26.

The square root of 27613223 is about 5254.8285414464. The cubic root of 27613223 is about 302.2542155783.

Adding to 27613223 its reverse (32231672), we get a palindrome (59844895).

The spelling of 27613223 in words is "twenty-seven million, six hundred thirteen thousand, two hundred twenty-three".