27213601 has 2 divisors, whose sum is σ = 27213602. Its totient is φ = 27213600.

The previous prime is 27213581. The next prime is 27213607. The reversal of 27213601 is 10631272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 5832225 = 4624^2 + 2415^2 .

It is a cyclic number.

It is not a de Polignac number, because 27213601 - 2⁵ = 27213569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27213607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606800 + 13606801.

It is an arithmetic number, because the mean of its divisors is an integer number (13606801).

Almost surely, 2^27213601 is an apocalyptic number.

It is an amenable number.

27213601 is a deficient number, since it is larger than the sum of its proper divisors (1).

27213601 is an equidigital number, since it uses as much as digits as its factorization.

27213601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 27213601 is about 5216.6656975505. The cubic root of 27213601 is about 300.7890377270.

Adding to 27213601 its reverse (10631272), we get a palindrome (37844873).

The spelling of 27213601 in words is "twenty-seven million, two hundred thirteen thousand, six hundred one".