503230993 has 2 divisors, whose sum is σ = 503230994. Its totient is φ = 503230992.

The previous prime is 503230933. The next prime is 503231051. The reversal of 503230993 is 399032305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422014849 + 81216144 = 20543^2 + 9012^2 .

It is a cyclic number.

It is not a de Polignac number, because 503230993 - 2¹³ = 503222801 is a prime.

It is not a weakly prime, because it can be changed into another prime (503230913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251615496 + 251615497.

It is an arithmetic number, because the mean of its divisors is an integer number (251615497).

Almost surely, 2^503230993 is an apocalyptic number.

It is an amenable number.

503230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

503230993 is an equidigital number, since it uses as much as digits as its factorization.

503230993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 34.

The square root of 503230993 is about 22432.8106353172. The cubic root of 503230993 is about 795.4064838476.

The spelling of 503230993 in words is "five hundred three million, two hundred thirty thousand, nine hundred ninety-three".