502641313 has 2 divisors, whose sum is σ = 502641314. Its totient is φ = 502641312.

The previous prime is 502641299. The next prime is 502641353. The reversal of 502641313 is 313146205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279825984 + 222815329 = 16728^2 + 14927^2 .

It is a cyclic number.

It is not a de Polignac number, because 502641313 - 2¹⁷ = 502510241 is a prime.

It is not a weakly prime, because it can be changed into another prime (502641353) 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, 251320656 + 251320657.

It is an arithmetic number, because the mean of its divisors is an integer number (251320657).

Almost surely, 2^502641313 is an apocalyptic number.

It is an amenable number.

502641313 is a deficient number, since it is larger than the sum of its proper divisors (1).

502641313 is an equidigital number, since it uses as much as digits as its factorization.

502641313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 502641313 is about 22419.6635344958. The cubic root of 502641313 is about 795.0956798467.

Adding to 502641313 its reverse (313146205), we get a palindrome (815787518).

The spelling of 502641313 in words is "five hundred two million, six hundred forty-one thousand, three hundred thirteen".