27955201 has 2 divisors, whose sum is σ = 27955202. Its totient is φ = 27955200.

The previous prime is 27955181. The next prime is 27955223. The reversal of 27955201 is 10255972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27836176 + 119025 = 5276^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 27955201 - 2¹⁹ = 27430913 is a prime.

It is not a weakly prime, because it can be changed into another prime (27955241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977600 + 13977601.

It is an arithmetic number, because the mean of its divisors is an integer number (13977601).

Almost surely, 2^27955201 is an apocalyptic number.

It is an amenable number.

27955201 is a deficient number, since it is larger than the sum of its proper divisors (1).

27955201 is an equidigital number, since it uses as much as digits as its factorization.

27955201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 27955201 is about 5287.2678199615. The cubic root of 27955201 is about 303.4968629436.

The spelling of 27955201 in words is "twenty-seven million, nine hundred fifty-five thousand, two hundred one".