27710513 has 2 divisors, whose sum is σ = 27710514. Its totient is φ = 27710512.

The previous prime is 27710491. The next prime is 27710537. The reversal of 27710513 is 31501772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19998784 + 7711729 = 4472^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 27710513 - 2¹⁰ = 27709489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27710413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13855256 + 13855257.

It is an arithmetic number, because the mean of its divisors is an integer number (13855257).

Almost surely, 2^27710513 is an apocalyptic number.

It is an amenable number.

27710513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27710513 is an equidigital number, since it uses as much as digits as its factorization.

27710513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 27710513 is about 5264.0776020116. The cubic root of 27710513 is about 302.6087781274.

The spelling of 27710513 in words is "twenty-seven million, seven hundred ten thousand, five hundred thirteen".