27213255 has 24 divisors (see below), whose sum is σ = 49222368. Its totient is φ = 13882176.

The previous prime is 27213247. The next prime is 27213287. The reversal of 27213255 is 55231272.

It is not a de Polignac number, because 27213255 - 2³ = 27213247 is a prime.

It is a super-2 number, since 2×27213255² = 1481122495390050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12112 + ... + 14181.

It is an arithmetic number, because the mean of its divisors is an integer number (2050932).

Almost surely, 2^27213255 is an apocalyptic number.

27213255 is a deficient number, since it is larger than the sum of its proper divisors (22009113).

27213255 is a wasteful number, since it uses less digits than its factorization.

27213255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26327 (or 26324 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 27213255 is about 5216.6325344996. The cubic root of 27213255 is about 300.7877629545.

The spelling of 27213255 in words is "twenty-seven million, two hundred thirteen thousand, two hundred fifty-five".