27134257 has 4 divisors (see below), whose sum is σ = 27155556. Its totient is φ = 27112960.

The previous prime is 27134243. The next prime is 27134279. The reversal of 27134257 is 75243172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 22429696 = 2169^2 + 4736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27134257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27104257) 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 in 3 ways as a sum of consecutive naturals, for example, 8608 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (6788889).

Almost surely, 2^27134257 is an apocalyptic number.

It is an amenable number.

27134257 is a deficient number, since it is larger than the sum of its proper divisors (21299).

27134257 is a wasteful number, since it uses less digits than its factorization.

27134257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21298.

The product of its digits is 11760, while the sum is 31.

The square root of 27134257 is about 5209.0552886296. The cubic root of 27134257 is about 300.4964262317.

The spelling of 27134257 in words is "twenty-seven million, one hundred thirty-four thousand, two hundred fifty-seven".