478325015 has 24 divisors (see below), whose sum is σ = 672235200. Its totient is φ = 325768128.

The previous prime is 478324963. The next prime is 478325021. The reversal of 478325015 is 510523874.

It is a happy number.

It is not a de Polignac number, because 478325015 - 2¹⁰ = 478323991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 23 ways as a sum of consecutive naturals, for example, 29954 + ... + 43056.

It is an arithmetic number, because the mean of its divisors is an integer number (28009800).

Almost surely, 2^478325015 is an apocalyptic number.

478325015 is a deficient number, since it is larger than the sum of its proper divisors (193910185).

478325015 is a wasteful number, since it uses less digits than its factorization.

478325015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13271 (or 13264 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 478325015 is about 21870.6427660460. The cubic root of 478325015 is about 782.0617245121.

Adding to 478325015 its reverse (510523874), we get a palindrome (988848889).

The spelling of 478325015 in words is "four hundred seventy-eight million, three hundred twenty-five thousand, fifteen".