475831 has 2 divisors, whose sum is σ = 475832. Its totient is φ = 475830.

The previous prime is 475823. The next prime is 475837. The reversal of 475831 is 138574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475831 - 2³ = 475823 is a prime.

It is a super-2 number, since 2×475831² = 452830281122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237915 + 237916.

It is an arithmetic number, because the mean of its divisors is an integer number (237916).

2⁴⁷⁵⁸³¹ is an apocalyptic number.

475831 is a deficient number, since it is larger than the sum of its proper divisors (1).

475831 is an equidigital number, since it uses as much as digits as its factorization.

475831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 475831 is about 689.8050449221. The cubic root of 475831 is about 78.0700116522.

The spelling of 475831 in words is "four hundred seventy-five thousand, eight hundred thirty-one".