501322213 has 16 divisors (see below), whose sum is σ = 593096704. Its totient is φ = 414771840.

The previous prime is 501322189. The next prime is 501322219. The reversal of 501322213 is 312223105.

It is not a de Polignac number, because 501322213 - 2⁵ = 501322181 is a prime.

It is a super-2 number, since 2×501322213² = 502647922494434738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501322219) 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, 25273 + ... + 40513.

It is an arithmetic number, because the mean of its divisors is an integer number (37068544).

Almost surely, 2^501322213 is an apocalyptic number.

It is an amenable number.

501322213 is a deficient number, since it is larger than the sum of its proper divisors (91774491).

501322213 is a wasteful number, since it uses less digits than its factorization.

501322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15412.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 501322213 is about 22390.2258362885. The cubic root of 501322213 is about 794.3995376199.

Adding to 501322213 its reverse (312223105), we get a palindrome (813545318).

The spelling of 501322213 in words is "five hundred one million, three hundred twenty-two thousand, two hundred thirteen".