478675513 has 2 divisors, whose sum is σ = 478675514. Its totient is φ = 478675512.

The previous prime is 478675501. The next prime is 478675529. The reversal of 478675513 is 315576874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452327824 + 26347689 = 21268^2 + 5133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478675513 is a prime.

It is not a weakly prime, because it can be changed into another prime (478675543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239337756 + 239337757.

It is an arithmetic number, because the mean of its divisors is an integer number (239337757).

Almost surely, 2^478675513 is an apocalyptic number.

It is an amenable number.

478675513 is a deficient number, since it is larger than the sum of its proper divisors (1).

478675513 is an equidigital number, since it uses as much as digits as its factorization.

478675513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 478675513 is about 21878.6542776287. The cubic root of 478675513 is about 782.2526993628.

The spelling of 478675513 in words is "four hundred seventy-eight million, six hundred seventy-five thousand, five hundred thirteen".