475819 has 4 divisors (see below), whose sum is σ = 491200. Its totient is φ = 460440.

The previous prime is 475807. The next prime is 475823. The reversal of 475819 is 918574.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 475819 - 2⁷ = 475691 is a prime.

It is a super-2 number, since 2×475819² = 452807441522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7644 + ... + 7705.

It is an arithmetic number, because the mean of its divisors is an integer number (122800).

2⁴⁷⁵⁸¹⁹ is an apocalyptic number.

475819 is a deficient number, since it is larger than the sum of its proper divisors (15381).

475819 is a wasteful number, since it uses less digits than its factorization.

475819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15380.

The product of its digits is 10080, while the sum is 34.

The square root of 475819 is about 689.7963467575. The cubic root of 475819 is about 78.0693553631.

The spelling of 475819 in words is "four hundred seventy-five thousand, eight hundred nineteen".