503983 has 2 divisors, whose sum is σ = 503984. Its totient is φ = 503982.

The previous prime is 503969. The next prime is 503989. The reversal of 503983 is 389305.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503983 - 2¹³ = 495791 is a prime.

It is a super-3 number, since 3×503983³ = 384033328862889261, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251991 + 251992.

It is an arithmetic number, because the mean of its divisors is an integer number (251992).

2⁵⁰³⁹⁸³ is an apocalyptic number.

503983 is a deficient number, since it is larger than the sum of its proper divisors (1).

503983 is an equidigital number, since it uses as much as digits as its factorization.

503983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 503983 is about 709.9176008524. The cubic root of 503983 is about 79.5802493863.

The spelling of 503983 in words is "five hundred three thousand, nine hundred eighty-three".