501330605 has 16 divisors (see below), whose sum is σ = 625497600. Its totient is φ = 385318080.

The previous prime is 501330509. The next prime is 501330617. The reversal of 501330605 is 506033105.

It is not a de Polignac number, because 501330605 - 2¹⁰ = 501329581 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9911 + ... + 33179.

It is an arithmetic number, because the mean of its divisors is an integer number (39093600).

Almost surely, 2^501330605 is an apocalyptic number.

It is an amenable number.

501330605 is a deficient number, since it is larger than the sum of its proper divisors (124166995).

501330605 is a wasteful number, since it uses less digits than its factorization.

501330605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 501330605 is about 22390.4132387055. The cubic root of 501330605 is about 794.4039702739.

The spelling of 501330605 in words is "five hundred one million, three hundred thirty thousand, six hundred five".