475897 has 2 divisors, whose sum is σ = 475898. Its totient is φ = 475896.

The previous prime is 475889. The next prime is 475903. The reversal of 475897 is 798574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434281 + 41616 = 659^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 475897 - 2³ = 475889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475807) 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, 237948 + 237949.

It is an arithmetic number, because the mean of its divisors is an integer number (237949).

2⁴⁷⁵⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

475897 is a deficient number, since it is larger than the sum of its proper divisors (1).

475897 is an equidigital number, since it uses as much as digits as its factorization.

475897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 475897 is about 689.8528828671. The cubic root of 475897 is about 78.0736210447.

The spelling of 475897 in words is "four hundred seventy-five thousand, eight hundred ninety-seven".