27162101 has 2 divisors, whose sum is σ = 27162102. Its totient is φ = 27162100.

The previous prime is 27162097. The next prime is 27162133. The reversal of 27162101 is 10126172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 10719076 = 4055^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 27162101 - 2² = 27162097 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27162151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13581050 + 13581051.

It is an arithmetic number, because the mean of its divisors is an integer number (13581051).

Almost surely, 2^27162101 is an apocalyptic number.

It is an amenable number.

27162101 is a deficient number, since it is larger than the sum of its proper divisors (1).

27162101 is an equidigital number, since it uses as much as digits as its factorization.

27162101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 27162101 is about 5211.7272568698. The cubic root of 27162101 is about 300.5991765688.

Adding to 27162101 its reverse (10126172), we get a palindrome (37288273).

The spelling of 27162101 in words is "twenty-seven million, one hundred sixty-two thousand, one hundred one".