503369 has 2 divisors, whose sum is σ = 503370. Its totient is φ = 503368.

The previous prime is 503359. The next prime is 503381. The reversal of 503369 is 963305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 238144 = 515^2 + 488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503369 is a prime.

It is a super-2 number, since 2×503369² = 506760700322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503369.

It is not a weakly prime, because it can be changed into another prime (503339) 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, 251684 + 251685.

It is an arithmetic number, because the mean of its divisors is an integer number (251685).

2⁵⁰³³⁶⁹ is an apocalyptic number.

It is an amenable number.

503369 is a deficient number, since it is larger than the sum of its proper divisors (1).

503369 is an equidigital number, since it uses as much as digits as its factorization.

503369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 503369 is about 709.4850245072. The cubic root of 503369 is about 79.5479188451.

The spelling of 503369 in words is "five hundred three thousand, three hundred sixty-nine".