501513213 has 8 divisors (see below), whose sum is σ = 669300448. Its totient is φ = 334034064.

The previous prime is 501513203. The next prime is 501513217. The reversal of 501513213 is 312315105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 501513213 - 2⁴ = 501513197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501513213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501513217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73195 + ... + 79752.

It is an arithmetic number, because the mean of its divisors is an integer number (83662556).

Almost surely, 2^501513213 is an apocalyptic number.

It is an amenable number.

501513213 is a deficient number, since it is larger than the sum of its proper divisors (167787235).

501513213 is a wasteful number, since it uses less digits than its factorization.

501513213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154043.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 501513213 is about 22394.4906840946. The cubic root of 501513213 is about 794.5004115638.

Adding to 501513213 its reverse (312315105), we get a palindrome (813828318).

The spelling of 501513213 in words is "five hundred one million, five hundred thirteen thousand, two hundred thirteen".