506264643 has 12 divisors (see below), whose sum is σ = 733858840. Its totient is φ = 336315456.

The previous prime is 506264623. The next prime is 506264651. The reversal of 506264643 is 346462605.

506264643 is a `hidden beast` number, since 5 + 0 + 6 + 2 + 6 + 4 + 643 = 666.

It is not a de Polignac number, because 506264643 - 2⁵ = 506264611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506264598 and 506264607.

It is not an unprimeable number, because it can be changed into a prime (506264623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96838 + ... + 101931.

Almost surely, 2^506264643 is an apocalyptic number.

506264643 is a deficient number, since it is larger than the sum of its proper divisors (227594197).

506264643 is a wasteful number, since it uses less digits than its factorization.

506264643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199058 (or 199055 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 506264643 is about 22500.3253976470. The cubic root of 506264643 is about 797.0016110151.

The spelling of 506264643 in words is "five hundred six million, two hundred sixty-four thousand, six hundred forty-three".