478252243 has 8 divisors (see below), whose sum is σ = 546750720. Its totient is φ = 409797960.

The previous prime is 478252223. The next prime is 478252259. The reversal of 478252243 is 342252874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478252243 - 2²⁵ = 444697811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478252223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16848 + ... + 35218.

It is an arithmetic number, because the mean of its divisors is an integer number (68343840).

Almost surely, 2^478252243 is an apocalyptic number.

478252243 is a deficient number, since it is larger than the sum of its proper divisors (68498477).

478252243 is a wasteful number, since it uses less digits than its factorization.

478252243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22097.

The product of its digits is 107520, while the sum is 37.

The square root of 478252243 is about 21868.9790113759. The cubic root of 478252243 is about 782.0220617442.

The spelling of 478252243 in words is "four hundred seventy-eight million, two hundred fifty-two thousand, two hundred forty-three".