27700201 has 2 divisors, whose sum is σ = 27700202. Its totient is φ = 27700200.

The previous prime is 27700199. The next prime is 27700207. The reversal of 27700201 is 10200772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16410601 + 11289600 = 4051^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 27700201 - 2¹ = 27700199 is a prime.

It is a super-2 number, since 2×27700201² = 1534602270880802, which contains 22 as substring.

Together with 27700199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27700207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13850100 + 13850101.

It is an arithmetic number, because the mean of its divisors is an integer number (13850101).

Almost surely, 2^27700201 is an apocalyptic number.

It is an amenable number.

27700201 is a deficient number, since it is larger than the sum of its proper divisors (1).

27700201 is an equidigital number, since it uses as much as digits as its factorization.

27700201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 27700201 is about 5263.0980420281. The cubic root of 27700201 is about 302.5712365527.

Adding to 27700201 its reverse (10200772), we get a palindrome (37900973).

The spelling of 27700201 in words is "twenty-seven million, seven hundred thousand, two hundred one".