478242005 has 8 divisors (see below), whose sum is σ = 575218392. Its totient is φ = 381708288.

The previous prime is 478241963. The next prime is 478242031. The reversal of 478242005 is 500242874.

It can be written as a sum of positive squares in 4 ways, for example, as 7091569 + 471150436 = 2663^2 + 21706^2 .

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 478242005 - 2⁶ = 478241941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 108284 + ... + 112613.

It is an arithmetic number, because the mean of its divisors is an integer number (71902299).

Almost surely, 2^478242005 is an apocalyptic number.

It is an amenable number.

478242005 is a deficient number, since it is larger than the sum of its proper divisors (96976387).

478242005 is a wasteful number, since it uses less digits than its factorization.

478242005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221335.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 478242005 is about 21868.7449342663. The cubic root of 478242005 is about 782.0164814260.

Adding to 478242005 its reverse (500242874), we get a palindrome (978484879).

The spelling of 478242005 in words is "four hundred seventy-eight million, two hundred forty-two thousand, five".