27032513 has 2 divisors, whose sum is σ = 27032514. Its totient is φ = 27032512.

The previous prime is 27032503. The next prime is 27032539. The reversal of 27032513 is 31523072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 1459264 = 5057^2 + 1208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27032513 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27032503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13516256 + 13516257.

It is an arithmetic number, because the mean of its divisors is an integer number (13516257).

Almost surely, 2^27032513 is an apocalyptic number.

It is an amenable number.

27032513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27032513 is an equidigital number, since it uses as much as digits as its factorization.

27032513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 27032513 is about 5199.2800463141. The cubic root of 27032513 is about 300.1203702154.

Adding to 27032513 its reverse (31523072), we get a palindrome (58555585).

The spelling of 27032513 in words is "twenty-seven million, thirty-two thousand, five hundred thirteen".