501296813 has 8 divisors (see below), whose sum is σ = 522670080. Its totient is φ = 480196080.

The previous prime is 501296797. The next prime is 501296821. The reversal of 501296813 is 318692105.

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

It is a cyclic number.

It is not a de Polignac number, because 501296813 - 2⁴ = 501296797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501296713) 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 in 7 ways as a sum of consecutive naturals, for example, 64373 + ... + 71738.

It is an arithmetic number, because the mean of its divisors is an integer number (65333760).

Almost surely, 2^501296813 is an apocalyptic number.

It is an amenable number.

501296813 is a deficient number, since it is larger than the sum of its proper divisors (21373267).

501296813 is a wasteful number, since it uses less digits than its factorization.

501296813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136267.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 501296813 is about 22389.6586173171. The cubic root of 501296813 is about 794.3861210397.

The spelling of 501296813 in words is "five hundred one million, two hundred ninety-six thousand, eight hundred thirteen".