506130643 has 4 divisors (see below), whose sum is σ = 512537440. Its totient is φ = 499723848.

The previous prime is 506130593. The next prime is 506130661. The reversal of 506130643 is 346031605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506130643 - 2¹³ = 506122451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506130673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203280 + ... + 3203437.

It is an arithmetic number, because the mean of its divisors is an integer number (128134360).

Almost surely, 2^506130643 is an apocalyptic number.

506130643 is a deficient number, since it is larger than the sum of its proper divisors (6406797).

506130643 is an equidigital number, since it uses as much as digits as its factorization.

506130643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6406796.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 506130643 is about 22497.3474658681. The cubic root of 506130643 is about 796.9312870311.

The spelling of 506130643 in words is "five hundred six million, one hundred thirty thousand, six hundred forty-three".