475999 has 4 divisors (see below), whose sum is σ = 477664. Its totient is φ = 474336.

The previous prime is 475997. The next prime is 476009. The reversal of 475999 is 999574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999574 = 2 ⋅499787.

It is a cyclic number.

It is not a de Polignac number, because 475999 - 2¹ = 475997 is a prime.

It is a Duffinian number.

475999 is a modest number, since divided by 999 gives 475 as remainder.

475999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475991) 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, 282 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (119416).

2⁴⁷⁵⁹⁹⁹ is an apocalyptic number.

475999 is a deficient number, since it is larger than the sum of its proper divisors (1665).

475999 is a wasteful number, since it uses less digits than its factorization.

475999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its digits is 102060, while the sum is 43.

The square root of 475999 is about 689.9268077122. The cubic root of 475999 is about 78.0791985404.

The spelling of 475999 in words is "four hundred seventy-five thousand, nine hundred ninety-nine".