27159401 has 2 divisors, whose sum is σ = 27159402. Its totient is φ = 27159400.

The previous prime is 27159397. The next prime is 27159409. The reversal of 27159401 is 10495172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14055001 + 13104400 = 3749^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 27159401 - 2² = 27159397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27159409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13579700 + 13579701.

It is an arithmetic number, because the mean of its divisors is an integer number (13579701).

Almost surely, 2^27159401 is an apocalyptic number.

It is an amenable number.

27159401 is a deficient number, since it is larger than the sum of its proper divisors (1).

27159401 is an equidigital number, since it uses as much as digits as its factorization.

27159401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 27159401 is about 5211.4682192257. The cubic root of 27159401 is about 300.5892160645.

The spelling of 27159401 in words is "twenty-seven million, one hundred fifty-nine thousand, four hundred one".