475405 has 24 divisors (see below), whose sum is σ = 707328. Its totient is φ = 300288.

The previous prime is 475403. The next prime is 475417. The reversal of 475405 is 504574.

It is not a de Polignac number, because 475405 - 2¹ = 475403 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 475405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10092 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (29472).

2⁴⁷⁵⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

475405 is a deficient number, since it is larger than the sum of its proper divisors (231923).

475405 is a wasteful number, since it uses less digits than its factorization.

475405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 475405 is about 689.4961928829. The cubic root of 475405 is about 78.0467066308.

Adding to 475405 its reverse (504574), we get a palindrome (979979).

The spelling of 475405 in words is "four hundred seventy-five thousand, four hundred five".