503969 has 2 divisors, whose sum is σ = 503970. Its totient is φ = 503968.

The previous prime is 503963. The next prime is 503983. The reversal of 503969 is 969305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473344 + 30625 = 688^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503969 is a prime.

It is a super-2 number, since 2×503969² = 507969505922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (503963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251984 + 251985.

It is an arithmetic number, because the mean of its divisors is an integer number (251985).

2⁵⁰³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

503969 is a deficient number, since it is larger than the sum of its proper divisors (1).

503969 is an equidigital number, since it uses as much as digits as its factorization.

503969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 503969 is about 709.9077404846. The cubic root of 503969 is about 79.5795125005.

It can be divided in two parts, 50396 and 9, that added together give a palindrome (50405).

The spelling of 503969 in words is "five hundred three thousand, nine hundred sixty-nine".