478511533 has 4 divisors (see below), whose sum is σ = 490182588. Its totient is φ = 466840480.

The previous prime is 478511503. The next prime is 478511543. The reversal of 478511533 is 335115874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335115874 = 2 ⋅167557937.

It can be written as a sum of positive squares in 2 ways, for example, as 242674084 + 235837449 = 15578^2 + 15357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478511533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478511492 and 478511501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478511503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5835466 + ... + 5835547.

It is an arithmetic number, because the mean of its divisors is an integer number (122545647).

Almost surely, 2^478511533 is an apocalyptic number.

It is an amenable number.

478511533 is a deficient number, since it is larger than the sum of its proper divisors (11671055).

478511533 is a wasteful number, since it uses less digits than its factorization.

478511533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671054.

The product of its digits is 50400, while the sum is 37.

The square root of 478511533 is about 21874.9064683715. The cubic root of 478511533 is about 782.1633636545.

The spelling of 478511533 in words is "four hundred seventy-eight million, five hundred eleven thousand, five hundred thirty-three".