27152639 has 2 divisors, whose sum is σ = 27152640. Its totient is φ = 27152638.

The previous prime is 27152633. The next prime is 27152647. The reversal of 27152639 is 93625172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27152639 - 2¹² = 27148543 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27152599 and 27152608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27152633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13576319 + 13576320.

It is an arithmetic number, because the mean of its divisors is an integer number (13576320).

Almost surely, 2^27152639 is an apocalyptic number.

27152639 is a deficient number, since it is larger than the sum of its proper divisors (1).

27152639 is an equidigital number, since it uses as much as digits as its factorization.

27152639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 27152639 is about 5210.8194173278. The cubic root of 27152639 is about 300.5642676377.

The spelling of 27152639 in words is "twenty-seven million, one hundred fifty-two thousand, six hundred thirty-nine".