27057013 has 4 divisors (see below), whose sum is σ = 28648620. Its totient is φ = 25465408.

The previous prime is 27057011. The next prime is 27057049. The reversal of 27057013 is 31075072.

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 24373969 + 2683044 = 4937^2 + 1638^2 .

It is a cyclic number.

It is not a de Polignac number, because 27057013 - 2¹ = 27057011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27057011) 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, 795778 + ... + 795811.

It is an arithmetic number, because the mean of its divisors is an integer number (7162155).

Almost surely, 2^27057013 is an apocalyptic number.

It is an amenable number.

27057013 is a deficient number, since it is larger than the sum of its proper divisors (1591607).

27057013 is a wasteful number, since it uses less digits than its factorization.

27057013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591606.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 27057013 is about 5201.6356081525. The cubic root of 27057013 is about 300.2110108059.

The spelling of 27057013 in words is "twenty-seven million, fifty-seven thousand, thirteen".