27955241 has 2 divisors, whose sum is σ = 27955242. Its totient is φ = 27955240.

The previous prime is 27955223. The next prime is 27955307. The reversal of 27955241 is 14255972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19545241 + 8410000 = 4421^2 + 2900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27955241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27955201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977620 + 13977621.

It is an arithmetic number, because the mean of its divisors is an integer number (13977621).

Almost surely, 2^27955241 is an apocalyptic number.

It is an amenable number.

27955241 is a deficient number, since it is larger than the sum of its proper divisors (1).

27955241 is an equidigital number, since it uses as much as digits as its factorization.

27955241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 27955241 is about 5287.2716026321. The cubic root of 27955241 is about 303.4970076975.

The spelling of 27955241 in words is "twenty-seven million, nine hundred fifty-five thousand, two hundred forty-one".