475543321 has 16 divisors (see below), whose sum is σ = 542158848. Its totient is φ = 413254800.

The previous prime is 475543283. The next prime is 475543349. The reversal of 475543321 is 123345574.

It is a cyclic number.

It is not a de Polignac number, because 475543321 - 2¹⁹ = 475019033 is a prime.

It is a super-2 number, since 2×475543321² = 452282900295418082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475543361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11536 + ... + 32926.

It is an arithmetic number, because the mean of its divisors is an integer number (33884928).

Almost surely, 2^475543321 is an apocalyptic number.

It is an amenable number.

475543321 is a deficient number, since it is larger than the sum of its proper divisors (66615527).

475543321 is a wasteful number, since it uses less digits than its factorization.

475543321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21492.

The product of its digits is 50400, while the sum is 34.

The square root of 475543321 is about 21806.9557939663. The cubic root of 475543321 is about 780.5427523136.

Adding to 475543321 its reverse (123345574), we get a palindrome (598888895).

The spelling of 475543321 in words is "four hundred seventy-five million, five hundred forty-three thousand, three hundred twenty-one".