27257013 has 32 divisors (see below), whose sum is σ = 47750400. Its totient is φ = 15035328.

The previous prime is 27257011. The next prime is 27257033. The reversal of 27257013 is 31075272.

It is not a de Polignac number, because 27257013 - 2¹ = 27257011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27257011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2995 + ... + 7967.

It is an arithmetic number, because the mean of its divisors is an integer number (1492200).

Almost surely, 2^27257013 is an apocalyptic number.

It is an amenable number.

27257013 is a deficient number, since it is larger than the sum of its proper divisors (20493387).

27257013 is a wasteful number, since it uses less digits than its factorization.

27257013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27257013 is about 5220.8249348163. The cubic root of 27257013 is about 300.9488954934.

The spelling of 27257013 in words is "twenty-seven million, two hundred fifty-seven thousand, thirteen".