501333505 has 8 divisors (see below), whose sum is σ = 603742824. Its totient is φ = 399638400.

The previous prime is 501333409. The next prime is 501333541. The reversal of 501333505 is 505333105.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32307856 + 469025649 = 5684^2 + 21657^2 .

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

It is not a de Polignac number, because 501333505 - 2¹³ = 501325313 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 501333505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177006 + ... + 179815.

It is an arithmetic number, because the mean of its divisors is an integer number (75467853).

Almost surely, 2^501333505 is an apocalyptic number.

It is an amenable number.

501333505 is a deficient number, since it is larger than the sum of its proper divisors (102409319).

501333505 is a wasteful number, since it uses less digits than its factorization.

501333505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357107.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 501333505 is about 22390.4779984707. The cubic root of 501333505 is about 794.4055020422.

The spelling of 501333505 in words is "five hundred one million, three hundred thirty-three thousand, five hundred five".