475457443 has 4 divisors (see below), whose sum is σ = 487054008. Its totient is φ = 463860880.

The previous prime is 475457417. The next prime is 475457519. The reversal of 475457443 is 344754574.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-475457443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 475457443.

It is not an unprimeable number, because it can be changed into a prime (475457743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798221 + ... + 5798302.

It is an arithmetic number, because the mean of its divisors is an integer number (121763502).

Almost surely, 2^475457443 is an apocalyptic number.

475457443 is a deficient number, since it is larger than the sum of its proper divisors (11596565).

475457443 is a wasteful number, since it uses less digits than its factorization.

475457443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596564.

The product of its digits is 940800, while the sum is 43.

The square root of 475457443 is about 21804.9866544330. The cubic root of 475457443 is about 780.4957636146.

The spelling of 475457443 in words is "four hundred seventy-five million, four hundred fifty-seven thousand, four hundred forty-three".