27142613 has 2 divisors, whose sum is σ = 27142614. Its totient is φ = 27142612.

The previous prime is 27142603. The next prime is 27142627. The reversal of 27142613 is 31624172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 4169764 = 4793^2 + 2042^2 .

It is a cyclic number.

It is not a de Polignac number, because 27142613 - 2¹⁰ = 27141589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27142603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13571306 + 13571307.

It is an arithmetic number, because the mean of its divisors is an integer number (13571307).

Almost surely, 2^27142613 is an apocalyptic number.

It is an amenable number.

27142613 is a deficient number, since it is larger than the sum of its proper divisors (1).

27142613 is an equidigital number, since it uses as much as digits as its factorization.

27142613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 27142613 is about 5209.8572917115. The cubic root of 27142613 is about 300.5272690446.

Adding to 27142613 its reverse (31624172), we get a palindrome (58766785).

The spelling of 27142613 in words is "twenty-seven million, one hundred forty-two thousand, six hundred thirteen".