27081013 has 8 divisors (see below), whose sum is σ = 27799200. Its totient is φ = 26366928.

The previous prime is 27081007. The next prime is 27081031. The reversal of 27081013 is 31018072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27081013 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 (27081053) 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, 15918 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900).

Almost surely, 2^27081013 is an apocalyptic number.

It is an amenable number.

27081013 is a deficient number, since it is larger than the sum of its proper divisors (718187).

27081013 is a wasteful number, since it uses less digits than its factorization.

27081013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 27081013 is about 5203.9420634746. The cubic root of 27081013 is about 300.2997485511.

Adding to 27081013 its reverse (31018072), we get a palindrome (58099085).

It can be divided in two parts, 2708 and 1013, that added together give a square (3721 = 61²).

The spelling of 27081013 in words is "twenty-seven million, eighty-one thousand, thirteen".