478525215 has 32 divisors (see below), whose sum is σ = 876589056. Its totient is φ = 218361600.

The previous prime is 478525193. The next prime is 478525249. The reversal of 478525215 is 512525874.

It is not a de Polignac number, because 478525215 - 2⁵ = 478525183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59314 + ... + 66896.

It is an arithmetic number, because the mean of its divisors is an integer number (27393408).

Almost surely, 2^478525215 is an apocalyptic number.

478525215 is a deficient number, since it is larger than the sum of its proper divisors (398063841).

478525215 is a wasteful number, since it uses less digits than its factorization.

478525215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199.

The product of its digits is 112000, while the sum is 39.

The square root of 478525215 is about 21875.2191989018. The cubic root of 478525215 is about 782.1708183387.

The spelling of 478525215 in words is "four hundred seventy-eight million, five hundred twenty-five thousand, two hundred fifteen".