27484231 has 2 divisors, whose sum is σ = 27484232. Its totient is φ = 27484230.

The previous prime is 27484213. The next prime is 27484253. The reversal of 27484231 is 13248472.

Together with previous prime (27484213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27484231 - 2¹³ = 27476039 is a prime.

It is a super-2 number, since 2×27484231² = 1510765907322722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27484193 and 27484202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27484201) 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 as a sum of consecutive naturals, namely, 13742115 + 13742116.

It is an arithmetic number, because the mean of its divisors is an integer number (13742116).

Almost surely, 2^27484231 is an apocalyptic number.

27484231 is a deficient number, since it is larger than the sum of its proper divisors (1).

27484231 is an equidigital number, since it uses as much as digits as its factorization.

27484231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 27484231 is about 5242.5405100962. The cubic root of 27484231 is about 301.7828321916.

The spelling of 27484231 in words is "twenty-seven million, four hundred eighty-four thousand, two hundred thirty-one".