27213943 has 2 divisors, whose sum is σ = 27213944. Its totient is φ = 27213942.

The previous prime is 27213937. The next prime is 27213959. The reversal of 27213943 is 34931272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27213943 - 2⁵ = 27213911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27213983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606971 + 13606972.

It is an arithmetic number, because the mean of its divisors is an integer number (13606972).

Almost surely, 2^27213943 is an apocalyptic number.

27213943 is a deficient number, since it is larger than the sum of its proper divisors (1).

27213943 is an equidigital number, since it uses as much as digits as its factorization.

27213943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 27213943 is about 5216.6984770063. The cubic root of 27213943 is about 300.7902977516.

The spelling of 27213943 in words is "twenty-seven million, two hundred thirteen thousand, nine hundred forty-three".