503974313 has 2 divisors, whose sum is σ = 503974314. Its totient is φ = 503974312.

The previous prime is 503974301. The next prime is 503974327. The reversal of 503974313 is 313479305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503194624 + 779689 = 22432^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 503974313 - 2⁸ = 503974057 is a prime.

It is not a weakly prime, because it can be changed into another prime (503974363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251987156 + 251987157.

It is an arithmetic number, because the mean of its divisors is an integer number (251987157).

Almost surely, 2^503974313 is an apocalyptic number.

It is an amenable number.

503974313 is a deficient number, since it is larger than the sum of its proper divisors (1).

503974313 is an equidigital number, since it uses as much as digits as its factorization.

503974313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 503974313 is about 22449.3722183940. The cubic root of 503974313 is about 795.7979215027.

The spelling of 503974313 in words is "five hundred three million, nine hundred seventy-four thousand, three hundred thirteen".