27372161 has 2 divisors, whose sum is σ = 27372162. Its totient is φ = 27372160.

The previous prime is 27372131. The next prime is 27372181. The reversal of 27372161 is 16127372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 1809025 = 5056^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 27372161 - 2¹⁰ = 27371137 is a prime.

It is not a weakly prime, because it can be changed into another prime (27372131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13686080 + 13686081.

It is an arithmetic number, because the mean of its divisors is an integer number (13686081).

Almost surely, 2^27372161 is an apocalyptic number.

It is an amenable number.

27372161 is a deficient number, since it is larger than the sum of its proper divisors (1).

27372161 is an equidigital number, since it uses as much as digits as its factorization.

27372161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 29.

The square root of 27372161 is about 5231.8410717452. The cubic root of 27372161 is about 301.3720890788.

The spelling of 27372161 in words is "twenty-seven million, three hundred seventy-two thousand, one hundred sixty-one".