512803 has 2 divisors, whose sum is σ = 512804. Its totient is φ = 512802.

The previous prime is 512797. The next prime is 512819. The reversal of 512803 is 308215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512803 is a prime.

It is not a weakly prime, because it can be changed into another prime (512843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256401 + 256402.

It is an arithmetic number, because the mean of its divisors is an integer number (256402).

2⁵¹²⁸⁰³ is an apocalyptic number.

512803 is a deficient number, since it is larger than the sum of its proper divisors (1).

512803 is an equidigital number, since it uses as much as digits as its factorization.

512803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 512803 is about 716.1026462736. The cubic root of 512803 is about 80.0418010712.

The spelling of 512803 in words is "five hundred twelve thousand, eight hundred three".