27182261 has 2 divisors, whose sum is σ = 27182262. Its totient is φ = 27182260.

The previous prime is 27182249. The next prime is 27182273. The reversal of 27182261 is 16228172.

It is a balanced prime because it is at equal distance from previous prime (27182249) and next prime (27182273).

It can be written as a sum of positive squares in only one way, i.e., 25959025 + 1223236 = 5095^2 + 1106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27182261 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 (27182461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13591130 + 13591131.

It is an arithmetic number, because the mean of its divisors is an integer number (13591131).

Almost surely, 2^27182261 is an apocalyptic number.

It is an amenable number.

27182261 is a deficient number, since it is larger than the sum of its proper divisors (1).

27182261 is an equidigital number, since it uses as much as digits as its factorization.

27182261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 27182261 is about 5213.6609978018. The cubic root of 27182261 is about 300.6735274782.

The spelling of 27182261 in words is "twenty-seven million, one hundred eighty-two thousand, two hundred sixty-one".