27041257 has 4 divisors (see below), whose sum is σ = 27078016. Its totient is φ = 27004500.

The previous prime is 27041233. The next prime is 27041279. The reversal of 27041257 is 75214072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27041257 - 2⁷ = 27041129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27041227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17253 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (6769504).

Almost surely, 2^27041257 is an apocalyptic number.

It is an amenable number.

27041257 is a deficient number, since it is larger than the sum of its proper divisors (36759).

27041257 is an equidigital number, since it uses as much as digits as its factorization.

27041257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36758.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 27041257 is about 5200.1208639800. The cubic root of 27041257 is about 300.1527259398.

The spelling of 27041257 in words is "twenty-seven million, forty-one thousand, two hundred fifty-seven".