512903 has 2 divisors, whose sum is σ = 512904. Its totient is φ = 512902.

The previous prime is 512899. The next prime is 512917. The reversal of 512903 is 309215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512903 - 2² = 512899 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256451 + 256452.

It is an arithmetic number, because the mean of its divisors is an integer number (256452).

2⁵¹²⁹⁰³ is an apocalyptic number.

512903 is a deficient number, since it is larger than the sum of its proper divisors (1).

512903 is an equidigital number, since it uses as much as digits as its factorization.

512903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 512903 is about 716.1724652624. The cubic root of 512903 is about 80.0470036278.

The spelling of 512903 in words is "five hundred twelve thousand, nine hundred three".