27424259 has 2 divisors, whose sum is σ = 27424260. Its totient is φ = 27424258.

The previous prime is 27424223. The next prime is 27424273. The reversal of 27424259 is 95242472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27424259 - 2²⁰ = 26375683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27424219) 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, 13712129 + 13712130.

It is an arithmetic number, because the mean of its divisors is an integer number (13712130).

Almost surely, 2^27424259 is an apocalyptic number.

27424259 is a deficient number, since it is larger than the sum of its proper divisors (1).

27424259 is an equidigital number, since it uses as much as digits as its factorization.

27424259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 27424259 is about 5236.8176405141. The cubic root of 27424259 is about 301.5631704765.

The spelling of 27424259 in words is "twenty-seven million, four hundred twenty-four thousand, two hundred fifty-nine".