503050399 has 2 divisors, whose sum is σ = 503050400. Its totient is φ = 503050398.

The previous prime is 503050381. The next prime is 503050463. The reversal of 503050399 is 993050305.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503050399 - 2⁵ = 503050367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503050199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251525199 + 251525200.

It is an arithmetic number, because the mean of its divisors is an integer number (251525200).

Almost surely, 2^503050399 is an apocalyptic number.

503050399 is a deficient number, since it is larger than the sum of its proper divisors (1).

503050399 is an equidigital number, since it uses as much as digits as its factorization.

503050399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 34.

The square root of 503050399 is about 22428.7850540327. The cubic root of 503050399 is about 795.3113235552.

The spelling of 503050399 in words is "five hundred three million, fifty thousand, three hundred ninety-nine".