27315243 has 12 divisors (see below), whose sum is σ = 41776488. Its totient is φ = 17138880.

The previous prime is 27315241. The next prime is 27315259. The reversal of 27315243 is 34251372.

It is not a de Polignac number, because 27315243 - 2¹ = 27315241 is a prime.

It is a super-2 number, since 2×27315243² = 1492245000298098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27315241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89113 + ... + 89418.

It is an arithmetic number, because the mean of its divisors is an integer number (3481374).

Almost surely, 2^27315243 is an apocalyptic number.

27315243 is a deficient number, since it is larger than the sum of its proper divisors (14461245).

27315243 is a wasteful number, since it uses less digits than its factorization.

27315243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178554 (or 178551 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 27315243 is about 5226.3986644725. The cubic root of 27315243 is about 301.1630518743.

The spelling of 27315243 in words is "twenty-seven million, three hundred fifteen thousand, two hundred forty-three".