27120529 has 2 divisors, whose sum is σ = 27120530. Its totient is φ = 27120528.

The previous prime is 27120523. The next prime is 27120547. The reversal of 27120529 is 92502172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 1567504 = 5055^2 + 1252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27120529 is a prime.

It is a Chen prime.

It is equal to p_1690129 and since 27120529 and 1690129 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 27120497 and 27120506.

It is not a weakly prime, because it can be changed into another prime (27120523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13560264 + 13560265.

It is an arithmetic number, because the mean of its divisors is an integer number (13560265).

Almost surely, 2^27120529 is an apocalyptic number.

It is an amenable number.

27120529 is a deficient number, since it is larger than the sum of its proper divisors (1).

27120529 is an equidigital number, since it uses as much as digits as its factorization.

27120529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 27120529 is about 5207.7374165755. The cubic root of 27120529 is about 300.4457410920.

The spelling of 27120529 in words is "twenty-seven million, one hundred twenty thousand, five hundred twenty-nine".