27825793 has 2 divisors, whose sum is σ = 27825794. Its totient is φ = 27825792.

The previous prime is 27825779. The next prime is 27825797. The reversal of 27825793 is 39752872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 1272384 = 5153^2 + 1128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27825793 is a prime.

It is not a weakly prime, because it can be changed into another prime (27825797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13912896 + 13912897.

It is an arithmetic number, because the mean of its divisors is an integer number (13912897).

Almost surely, 2^27825793 is an apocalyptic number.

It is an amenable number.

27825793 is a deficient number, since it is larger than the sum of its proper divisors (1).

27825793 is an equidigital number, since it uses as much as digits as its factorization.

27825793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 27825793 is about 5275.0159241466. The cubic root of 27825793 is about 303.0278305900.

The spelling of 27825793 in words is "twenty-seven million, eight hundred twenty-five thousand, seven hundred ninety-three".