27528923 has 2 divisors, whose sum is σ = 27528924. Its totient is φ = 27528922.

The previous prime is 27528881. The next prime is 27528937. The reversal of 27528923 is 32982572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27528923 - 2¹⁴ = 27512539 is a prime.

It is not a weakly prime, because it can be changed into another prime (27528973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13764461 + 13764462.

It is an arithmetic number, because the mean of its divisors is an integer number (13764462).

Almost surely, 2^27528923 is an apocalyptic number.

27528923 is a deficient number, since it is larger than the sum of its proper divisors (1).

27528923 is an equidigital number, since it uses as much as digits as its factorization.

27528923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 27528923 is about 5246.8012159791. The cubic root of 27528923 is about 301.9463195673.

The spelling of 27528923 in words is "twenty-seven million, five hundred twenty-eight thousand, nine hundred twenty-three".