478035409 has 2 divisors, whose sum is σ = 478035410. Its totient is φ = 478035408.

The previous prime is 478035379. The next prime is 478035413. The reversal of 478035409 is 904530874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477641025 + 394384 = 21855^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 478035409 - 2⁵ = 478035377 is a prime.

It is not a weakly prime, because it can be changed into another prime (478035499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239017704 + 239017705.

It is an arithmetic number, because the mean of its divisors is an integer number (239017705).

Almost surely, 2^478035409 is an apocalyptic number.

It is an amenable number.

478035409 is a deficient number, since it is larger than the sum of its proper divisors (1).

478035409 is an equidigital number, since it uses as much as digits as its factorization.

478035409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 478035409 is about 21864.0208790606. The cubic root of 478035409 is about 781.9038573116.

The spelling of 478035409 in words is "four hundred seventy-eight million, thirty-five thousand, four hundred nine".