506473591 has 8 divisors (see below), whose sum is σ = 546361200. Its totient is φ = 466718592.

The previous prime is 506473549. The next prime is 506473607. The reversal of 506473591 is 195374605.

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

It is a cyclic number.

It is not a de Polignac number, because 506473591 - 2¹⁷ = 506342519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506473511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25141 + ... + 40558.

It is an arithmetic number, because the mean of its divisors is an integer number (68295150).

Almost surely, 2^506473591 is an apocalyptic number.

506473591 is a deficient number, since it is larger than the sum of its proper divisors (39887609).

506473591 is a wasteful number, since it uses less digits than its factorization.

506473591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66305.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 506473591 is about 22504.9681403907. The cubic root of 506473591 is about 797.1112433912. Note that the first 3 decimals are identical.

The spelling of 506473591 in words is "five hundred six million, four hundred seventy-three thousand, five hundred ninety-one".