27216263 has 2 divisors, whose sum is σ = 27216264. Its totient is φ = 27216262.

The previous prime is 27216253. The next prime is 27216311. The reversal of 27216263 is 36261272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27216263 - 2⁴ = 27216247 is a prime.

It is a super-3 number, since 3×27216263³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27216223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13608131 + 13608132.

It is an arithmetic number, because the mean of its divisors is an integer number (13608132).

Almost surely, 2^27216263 is an apocalyptic number.

27216263 is a deficient number, since it is larger than the sum of its proper divisors (1).

27216263 is an equidigital number, since it uses as much as digits as its factorization.

27216263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 27216263 is about 5216.9208351287. The cubic root of 27216263 is about 300.7988450082.

The spelling of 27216263 in words is "twenty-seven million, two hundred sixteen thousand, two hundred sixty-three".