478425 has 12 divisors (see below), whose sum is σ = 791120. Its totient is φ = 255120.

The previous prime is 478421. The next prime is 478427. The reversal of 478425 is 524874.

It is not a de Polignac number, because 478425 - 2² = 478421 is a prime.

478425 is a lucky number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 478392 and 478401.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478425.

It is not an unprimeable number, because it can be changed into a prime (478421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3115 + ... + 3264.

2⁴⁷⁸⁴²⁵ is an apocalyptic number.

It is an amenable number.

478425 is a deficient number, since it is larger than the sum of its proper divisors (312695).

478425 is a wasteful number, since it uses less digits than its factorization.

478425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392 (or 6387 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 478425 is about 691.6827307371. The cubic root of 478425 is about 78.2116212563.

It can be divided in two parts, 478 and 425, that added together give a triangular number (903 = T₄₂).

The spelling of 478425 in words is "four hundred seventy-eight thousand, four hundred twenty-five".