478442201 has 2 divisors, whose sum is σ = 478442202. Its totient is φ = 478442200.

The previous prime is 478442191. The next prime is 478442207. The reversal of 478442201 is 102244874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252841801 + 225600400 = 15901^2 + 15020^2 .

It is a cyclic number.

It is not a de Polignac number, because 478442201 - 2⁶ = 478442137 is a prime.

It is not a weakly prime, because it can be changed into another prime (478442207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239221100 + 239221101.

It is an arithmetic number, because the mean of its divisors is an integer number (239221101).

Almost surely, 2^478442201 is an apocalyptic number.

It is an amenable number.

478442201 is a deficient number, since it is larger than the sum of its proper divisors (1).

478442201 is an equidigital number, since it uses as much as digits as its factorization.

478442201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 478442201 is about 21873.3216727593. The cubic root of 478442201 is about 782.1255856938.

The spelling of 478442201 in words is "four hundred seventy-eight million, four hundred forty-two thousand, two hundred one".