52729013 has 2 divisors, whose sum is σ = 52729014. Its totient is φ = 52729012.

The previous prime is 52728997. The next prime is 52729021. The reversal of 52729013 is 31092725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29669809 + 23059204 = 5447^2 + 4802^2 .

It is a cyclic number.

It is not a de Polignac number, because 52729013 - 2⁴ = 52728997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52729063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26364506 + 26364507.

It is an arithmetic number, because the mean of its divisors is an integer number (26364507).

Almost surely, 2^52729013 is an apocalyptic number.

It is an amenable number.

52729013 is a deficient number, since it is larger than the sum of its proper divisors (1).

52729013 is an equidigital number, since it uses as much as digits as its factorization.

52729013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 52729013 is about 7261.4745747679. The cubic root of 52729013 is about 374.9872896433.

The spelling of 52729013 in words is "fifty-two million, seven hundred twenty-nine thousand, thirteen".