27244039 has 2 divisors, whose sum is σ = 27244040. Its totient is φ = 27244038.

The previous prime is 27244033. The next prime is 27244093. The reversal of 27244039 is 93044272.

Together with next prime (27244093) 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 27244039 - 2³ = 27244031 is a prime.

It is a super-2 number, since 2×27244039² = 1484475322067042, which contains 22 as substring.

It is equal to p_1697323 and since 27244039 and 1697323 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27244039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27244031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13622019 + 13622020.

It is an arithmetic number, because the mean of its divisors is an integer number (13622020).

Almost surely, 2^27244039 is an apocalyptic number.

27244039 is a deficient number, since it is larger than the sum of its proper divisors (1).

27244039 is an equidigital number, since it uses as much as digits as its factorization.

27244039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 27244039 is about 5219.5822629785. The cubic root of 27244039 is about 300.9011386020.

The spelling of 27244039 in words is "twenty-seven million, two hundred forty-four thousand, thirty-nine".