475444321 has 8 divisors (see below), whose sum is σ = 549176544. Its totient is φ = 406797120.

The previous prime is 475444313. The next prime is 475444337. The reversal of 475444321 is 123444574.

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 475444321 - 2³ = 475444313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475444301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271055 + ... + 1271428.

It is an arithmetic number, because the mean of its divisors is an integer number (68647068).

Almost surely, 2^475444321 is an apocalyptic number.

It is an amenable number.

475444321 is a deficient number, since it is larger than the sum of its proper divisors (73732223).

475444321 is a wasteful number, since it uses less digits than its factorization.

475444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542511.

The product of its digits is 53760, while the sum is 34.

The square root of 475444321 is about 21804.6857578824. The cubic root of 475444321 is about 780.4885833297.

Adding to 475444321 its reverse (123444574), we get a palindrome (598888895).

The spelling of 475444321 in words is "four hundred seventy-five million, four hundred forty-four thousand, three hundred twenty-one".