27530983 has 2 divisors, whose sum is σ = 27530984. Its totient is φ = 27530982.

The previous prime is 27530963. The next prime is 27530989. The reversal of 27530983 is 38903572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27530983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27530989) 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, 13765491 + 13765492.

It is an arithmetic number, because the mean of its divisors is an integer number (13765492).

Almost surely, 2^27530983 is an apocalyptic number.

27530983 is a deficient number, since it is larger than the sum of its proper divisors (1).

27530983 is an equidigital number, since it uses as much as digits as its factorization.

27530983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 27530983 is about 5246.9975223932. The cubic root of 27530983 is about 301.9538509662.

The spelling of 27530983 in words is "twenty-seven million, five hundred thirty thousand, nine hundred eighty-three".