475851 has 4 divisors (see below), whose sum is σ = 634472. Its totient is φ = 317232.

The previous prime is 475841. The next prime is 475859. The reversal of 475851 is 158574.

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

It is not a de Polignac number, because 475851 - 2¹⁴ = 459467 is a prime.

It is a D-number.

It is a Duffinian number.

475851 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 475851.

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, 79306 + ... + 79311.

It is an arithmetic number, because the mean of its divisors is an integer number (158618).

2⁴⁷⁵⁸⁵¹ is an apocalyptic number.

475851 is a deficient number, since it is larger than the sum of its proper divisors (158621).

475851 is a wasteful number, since it uses less digits than its factorization.

475851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158620.

The product of its digits is 5600, while the sum is 30.

The square root of 475851 is about 689.8195416194. The cubic root of 475851 is about 78.0711054427.

It can be divided in two parts, 47585 and 1, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 475851 in words is "four hundred seventy-five thousand, eight hundred fifty-one".