478341161 has 2 divisors, whose sum is σ = 478341162. Its totient is φ = 478341160.

The previous prime is 478341139. The next prime is 478341179. The reversal of 478341161 is 161143874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299290000 + 179051161 = 17300^2 + 13381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478341161 is a prime.

It is not a weakly prime, because it can be changed into another prime (478341181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239170580 + 239170581.

It is an arithmetic number, because the mean of its divisors is an integer number (239170581).

Almost surely, 2^478341161 is an apocalyptic number.

It is an amenable number.

478341161 is a deficient number, since it is larger than the sum of its proper divisors (1).

478341161 is an equidigital number, since it uses as much as digits as its factorization.

478341161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 478341161 is about 21871.0118878848. The cubic root of 478341161 is about 782.0705239868.

The spelling of 478341161 in words is "four hundred seventy-eight million, three hundred forty-one thousand, one hundred sixty-one".