475415321 has 4 divisors (see below), whose sum is σ = 500437200. Its totient is φ = 450393444.

The previous prime is 475415233. The next prime is 475415363. The reversal of 475415321 is 123514574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123514574 = 2 ⋅61757287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475415321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475415021) 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 3 ways as a sum of consecutive naturals, for example, 12510911 + ... + 12510948.

It is an arithmetic number, because the mean of its divisors is an integer number (125109300).

Almost surely, 2^475415321 is an apocalyptic number.

It is an amenable number.

475415321 is a deficient number, since it is larger than the sum of its proper divisors (25021879).

475415321 is a wasteful number, since it uses less digits than its factorization.

475415321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25021878.

The product of its digits is 16800, while the sum is 32.

The square root of 475415321 is about 21804.0207530630. The cubic root of 475415321 is about 780.4727142236.

Adding to 475415321 its reverse (123514574), we get a palindrome (598929895).

The spelling of 475415321 in words is "four hundred seventy-five million, four hundred fifteen thousand, three hundred twenty-one".