475033409 has 4 divisors (see below), whose sum is σ = 477494916. Its totient is φ = 472571904.

The previous prime is 475033357. The next prime is 475033451. The reversal of 475033409 is 904330574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68890000 + 406143409 = 8300^2 + 20153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475033409 is a prime.

It is a super-2 number, since 2×475033409² = 451313479332322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475033309) 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, 1230464 + ... + 1230849.

It is an arithmetic number, because the mean of its divisors is an integer number (119373729).

Almost surely, 2^475033409 is an apocalyptic number.

It is an amenable number.

475033409 is a deficient number, since it is larger than the sum of its proper divisors (2461507).

475033409 is a wasteful number, since it uses less digits than its factorization.

475033409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461506.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 475033409 is about 21795.2611592520. The cubic root of 475033409 is about 780.2636677095.

The spelling of 475033409 in words is "four hundred seventy-five million, thirty-three thousand, four hundred nine".