501340859 has 16 divisors (see below), whose sum is σ = 538181280. Its totient is φ = 465626880.

The previous prime is 501340817. The next prime is 501340901. The reversal of 501340859 is 958043105.

It is an interprime number because it is at equal distance from previous prime (501340817) and next prime (501340901).

It is a cyclic number.

It is not a de Polignac number, because 501340859 - 2²⁸ = 232905403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501340459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250049 + ... + 252045.

It is an arithmetic number, because the mean of its divisors is an integer number (33636330).

Almost surely, 2^501340859 is an apocalyptic number.

501340859 is a deficient number, since it is larger than the sum of its proper divisors (36840421).

501340859 is a wasteful number, since it uses less digits than its factorization.

501340859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 501340859 is about 22390.6422194630. The cubic root of 501340859 is about 794.4093863690.

The spelling of 501340859 in words is "five hundred one million, three hundred forty thousand, eight hundred fifty-nine".