478660425 has 12 divisors (see below), whose sum is σ = 791385360. Its totient is φ = 255285520.

The previous prime is 478660409. The next prime is 478660433. The reversal of 478660425 is 524066874.

It is not a de Polignac number, because 478660425 - 2⁴ = 478660409 is a prime.

It is a super-2 number, since 2×478660425² = 458231604922361250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3190995 + ... + 3191144.

It is an arithmetic number, because the mean of its divisors is an integer number (65948780).

Almost surely, 2^478660425 is an apocalyptic number.

It is an amenable number.

478660425 is a deficient number, since it is larger than the sum of its proper divisors (312724935).

478660425 is a wasteful number, since it uses less digits than its factorization.

478660425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382152 (or 6382147 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 478660425 is about 21878.3094639417. The cubic root of 478660425 is about 782.2444803276.

The spelling of 478660425 in words is "four hundred seventy-eight million, six hundred sixty thousand, four hundred twenty-five".