503869 has 2 divisors, whose sum is σ = 503870. Its totient is φ = 503868.

The previous prime is 503857. The next prime is 503879. The reversal of 503869 is 968305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 131769 = 610^2 + 363^2 .

It is a cyclic number.

It is not a de Polignac number, because 503869 - 2¹¹ = 501821 is a prime.

It is a super-2 number, since 2×503869² = 507767938322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503819) 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, 251934 + 251935.

It is an arithmetic number, because the mean of its divisors is an integer number (251935).

2⁵⁰³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

503869 is a deficient number, since it is larger than the sum of its proper divisors (1).

503869 is an equidigital number, since it uses as much as digits as its factorization.

503869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 503869 is about 709.8373053031. The cubic root of 503869 is about 79.5742486333.

The spelling of 503869 in words is "five hundred three thousand, eight hundred sixty-nine".