501211313 has 16 divisors (see below), whose sum is σ = 519782400. Its totient is φ = 483072720.

The previous prime is 501211303. The next prime is 501211351. The reversal of 501211313 is 313112105.

It is a cyclic number.

It is not a de Polignac number, because 501211313 - 2¹⁰ = 501210289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501211291 and 501211300.

It is not an unprimeable number, because it can be changed into a prime (501211303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889970 + ... + 890532.

It is an arithmetic number, because the mean of its divisors is an integer number (32486400).

Almost surely, 2^501211313 is an apocalyptic number.

It is an amenable number.

501211313 is a deficient number, since it is larger than the sum of its proper divisors (18571087).

501211313 is a wasteful number, since it uses less digits than its factorization.

501211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 501211313 is about 22387.7491722594. The cubic root of 501211313 is about 794.3409555985.

Adding to 501211313 its reverse (313112105), we get a palindrome (814323418).

The spelling of 501211313 in words is "five hundred one million, two hundred eleven thousand, three hundred thirteen".