27226261 has 2 divisors, whose sum is σ = 27226262. Its totient is φ = 27226260.

The previous prime is 27226253. The next prime is 27226271. The reversal of 27226261 is 16262272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 9036036 = 4265^2 + 3006^2 .

It is a cyclic number.

It is not a de Polignac number, because 27226261 - 2³ = 27226253 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 (27226211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13613130 + 13613131.

It is an arithmetic number, because the mean of its divisors is an integer number (13613131).

Almost surely, 2^27226261 is an apocalyptic number.

It is an amenable number.

27226261 is a deficient number, since it is larger than the sum of its proper divisors (1).

27226261 is an equidigital number, since it uses as much as digits as its factorization.

27226261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 27226261 is about 5217.8789752159. The cubic root of 27226261 is about 300.8356737071.

The spelling of 27226261 in words is "twenty-seven million, two hundred twenty-six thousand, two hundred sixty-one".