503315093 has 2 divisors, whose sum is σ = 503315094. Its totient is φ = 503315092.

The previous prime is 503315077. The next prime is 503315143. The reversal of 503315093 is 390513305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438399844 + 64915249 = 20938^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 503315093 - 2⁴ = 503315077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503314093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251657546 + 251657547.

It is an arithmetic number, because the mean of its divisors is an integer number (251657547).

Almost surely, 2^503315093 is an apocalyptic number.

It is an amenable number.

503315093 is a deficient number, since it is larger than the sum of its proper divisors (1).

503315093 is an equidigital number, since it uses as much as digits as its factorization.

503315093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 29.

The square root of 503315093 is about 22434.6850434768. The cubic root of 503315093 is about 795.4507908426.

Adding to 503315093 its reverse (390513305), we get a palindrome (893828398).

The spelling of 503315093 in words is "five hundred three million, three hundred fifteen thousand, ninety-three".