475816841 has 2 divisors, whose sum is σ = 475816842. Its totient is φ = 475816840.

The previous prime is 475816837. The next prime is 475816853. The reversal of 475816841 is 148618574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332296441 + 143520400 = 18229^2 + 11980^2 .

It is a cyclic number.

It is not a de Polignac number, because 475816841 - 2² = 475816837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 475816792 and 475816801.

It is not a weakly prime, because it can be changed into another prime (475816441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237908420 + 237908421.

It is an arithmetic number, because the mean of its divisors is an integer number (237908421).

Almost surely, 2^475816841 is an apocalyptic number.

It is an amenable number.

475816841 is a deficient number, since it is larger than the sum of its proper divisors (1).

475816841 is an equidigital number, since it uses as much as digits as its factorization.

475816841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 44.

The square root of 475816841 is about 21813.2262859028. The cubic root of 475816841 is about 780.6923728460.

The spelling of 475816841 in words is "four hundred seventy-five million, eight hundred sixteen thousand, eight hundred forty-one".