475993697 has 2 divisors, whose sum is σ = 475993698. Its totient is φ = 475993696.

The previous prime is 475993669. The next prime is 475993711. The reversal of 475993697 is 796399574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357815056 + 118178641 = 18916^2 + 10871^2 .

It is a cyclic number.

It is not a de Polignac number, because 475993697 - 2¹² = 475989601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475993607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237996848 + 237996849.

It is an arithmetic number, because the mean of its divisors is an integer number (237996849).

Almost surely, 2^475993697 is an apocalyptic number.

It is an amenable number.

475993697 is a deficient number, since it is larger than the sum of its proper divisors (1).

475993697 is an equidigital number, since it uses as much as digits as its factorization.

475993697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 59.

The square root of 475993697 is about 21817.2797800276. The cubic root of 475993697 is about 780.7890858495.

The spelling of 475993697 in words is "four hundred seventy-five million, nine hundred ninety-three thousand, six hundred ninety-seven".