27157241 has 8 divisors (see below), whose sum is σ = 27789960. Its totient is φ = 26531712.

The previous prime is 27157219. The next prime is 27157243. The reversal of 27157241 is 14275172.

It can be written as a sum of positive squares in 4 ways, for example, as 13987600 + 13169641 = 3740^2 + 3629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27157241 - 2¹⁸ = 26895097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27157243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (3473745).

Almost surely, 2^27157241 is an apocalyptic number.

It is an amenable number.

27157241 is a deficient number, since it is larger than the sum of its proper divisors (632719).

27157241 is a wasteful number, since it uses less digits than its factorization.

27157241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its digits is 3920, while the sum is 29.

The square root of 27157241 is about 5211.2609798397. The cubic root of 27157241 is about 300.5812471858.

The spelling of 27157241 in words is "twenty-seven million, one hundred fifty-seven thousand, two hundred forty-one".