27621241 has 2 divisors, whose sum is σ = 27621242. Its totient is φ = 27621240.

The previous prime is 27621233. The next prime is 27621257. The reversal of 27621241 is 14212672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14661241 + 12960000 = 3829^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 27621241 - 2³ = 27621233 is a prime.

It is not a weakly prime, because it can be changed into another prime (27621211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13810620 + 13810621.

It is an arithmetic number, because the mean of its divisors is an integer number (13810621).

Almost surely, 2^27621241 is an apocalyptic number.

It is an amenable number.

27621241 is a deficient number, since it is larger than the sum of its proper divisors (1).

27621241 is an equidigital number, since it uses as much as digits as its factorization.

27621241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 27621241 is about 5255.5914034483. The cubic root of 27621241 is about 302.2834677446.

The spelling of 27621241 in words is "twenty-seven million, six hundred twenty-one thousand, two hundred forty-one".