27302993 has 2 divisors, whose sum is σ = 27302994. Its totient is φ = 27302992.

The previous prime is 27302987. The next prime is 27303013. The reversal of 27302993 is 39920372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20866624 + 6436369 = 4568^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 27302993 - 2¹⁰ = 27301969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27302903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13651496 + 13651497.

It is an arithmetic number, because the mean of its divisors is an integer number (13651497).

Almost surely, 2^27302993 is an apocalyptic number.

It is an amenable number.

27302993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27302993 is an equidigital number, since it uses as much as digits as its factorization.

27302993 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 27302993 is about 5225.2265979573. The cubic root of 27302993 is about 301.1180245242.

The spelling of 27302993 in words is "twenty-seven million, three hundred two thousand, nine hundred ninety-three".