27230993 has 2 divisors, whose sum is σ = 27230994. Its totient is φ = 27230992.

The previous prime is 27230977. The next prime is 27230999. The reversal of 27230993 is 39903272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 66049 = 5212^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 27230993 - 2⁴ = 27230977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27230999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13615496 + 13615497.

It is an arithmetic number, because the mean of its divisors is an integer number (13615497).

Almost surely, 2^27230993 is an apocalyptic number.

It is an amenable number.

27230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27230993 is an equidigital number, since it uses as much as digits as its factorization.

27230993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 27230993 is about 5218.3323964654. The cubic root of 27230993 is about 300.8531013902.

The spelling of 27230993 in words is "twenty-seven million, two hundred thirty thousand, nine hundred ninety-three".