506903 has 2 divisors, whose sum is σ = 506904. Its totient is φ = 506902.

The previous prime is 506899. The next prime is 506911. The reversal of 506903 is 309605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506903 - 2² = 506899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253451 + 253452.

It is an arithmetic number, because the mean of its divisors is an integer number (253452).

2⁵⁰⁶⁹⁰³ is an apocalyptic number.

506903 is a deficient number, since it is larger than the sum of its proper divisors (1).

506903 is an equidigital number, since it uses as much as digits as its factorization.

506903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 506903 is about 711.9712072830. The cubic root of 506903 is about 79.7336454247.

The spelling of 506903 in words is "five hundred six thousand, nine hundred three".