27916201 has 2 divisors, whose sum is σ = 27916202. Its totient is φ = 27916200.

The previous prime is 27916177. The next prime is 27916211. The reversal of 27916201 is 10261972.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26163225 + 1752976 = 5115^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 27916201 - 2⁹ = 27915689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27916201.

It is not a weakly prime, because it can be changed into another prime (27916211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13958100 + 13958101.

It is an arithmetic number, because the mean of its divisors is an integer number (13958101).

Almost surely, 2^27916201 is an apocalyptic number.

It is an amenable number.

27916201 is a deficient number, since it is larger than the sum of its proper divisors (1).

27916201 is an equidigital number, since it uses as much as digits as its factorization.

27916201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 27916201 is about 5283.5784275432. The cubic root of 27916201 is about 303.3556621919.

The spelling of 27916201 in words is "twenty-seven million, nine hundred sixteen thousand, two hundred one".