27313257 has 8 divisors (see below), whose sum is σ = 37306080. Its totient is φ = 17764640.

The previous prime is 27313249. The next prime is 27313267. The reversal of 27313257 is 75231372.

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 27313257 - 2³ = 27313249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27313267) 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, 110907 + ... + 111152.

It is an arithmetic number, because the mean of its divisors is an integer number (4663260).

Almost surely, 2^27313257 is an apocalyptic number.

It is an amenable number.

27313257 is a deficient number, since it is larger than the sum of its proper divisors (9992823).

27313257 is a wasteful number, since it uses less digits than its factorization.

27313257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222103.

The product of its digits is 8820, while the sum is 30.

The square root of 27313257 is about 5226.2086640317. The cubic root of 27313257 is about 301.1557528445.

It can be divided in two parts, 273 and 13257, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 27313257 in words is "twenty-seven million, three hundred thirteen thousand, two hundred fifty-seven".