529813 has 2 divisors, whose sum is σ = 529814. Its totient is φ = 529812.

The previous prime is 529811. The next prime is 529819. The reversal of 529813 is 318925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412164 + 117649 = 642^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 529813 - 2¹ = 529811 is a prime.

Together with 529811, it forms a pair of twin primes.

529813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (529811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264906 + 264907.

It is an arithmetic number, because the mean of its divisors is an integer number (264907).

2⁵²⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

529813 is a deficient number, since it is larger than the sum of its proper divisors (1).

529813 is an equidigital number, since it uses as much as digits as its factorization.

529813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 529813 is about 727.8825454701. The cubic root of 529813 is about 80.9172044290.

The spelling of 529813 in words is "five hundred twenty-nine thousand, eight hundred thirteen".