27530929 has 2 divisors, whose sum is σ = 27530930. Its totient is φ = 27530928.

The previous prime is 27530927. The next prime is 27530941. The reversal of 27530929 is 92903572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 1795600 = 5073^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 27530929 - 2¹ = 27530927 is a prime.

Together with 27530927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27530927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13765464 + 13765465.

It is an arithmetic number, because the mean of its divisors is an integer number (13765465).

Almost surely, 2^27530929 is an apocalyptic number.

It is an amenable number.

27530929 is a deficient number, since it is larger than the sum of its proper divisors (1).

27530929 is an equidigital number, since it uses as much as digits as its factorization.

27530929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 27530929 is about 5246.9923765906. The cubic root of 27530929 is about 301.9536535460.

The spelling of 27530929 in words is "twenty-seven million, five hundred thirty thousand, nine hundred twenty-nine".