478736425 has 6 divisors (see below), whose sum is σ = 593633198. Its totient is φ = 382989120.

The previous prime is 478736413. The next prime is 478736497. The reversal of 478736425 is 524637874.

It can be written as a sum of positive squares in 3 ways, for example, as 171400464 + 307335961 = 13092^2 + 17531^2 .

It is not a de Polignac number, because 478736425 - 2¹⁷ = 478605353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9574704 + ... + 9574753.

Almost surely, 2^478736425 is an apocalyptic number.

It is an amenable number.

478736425 is a deficient number, since it is larger than the sum of its proper divisors (114896773).

478736425 is a wasteful number, since it uses less digits than its factorization.

478736425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19149467 (or 19149462 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The square root of 478736425 is about 21880.0462750882. The cubic root of 478736425 is about 782.2858788022.

The spelling of 478736425 in words is "four hundred seventy-eight million, seven hundred thirty-six thousand, four hundred twenty-five".