475671569 has 2 divisors, whose sum is σ = 475671570. Its totient is φ = 475671568.

The previous prime is 475671541. The next prime is 475671583. The reversal of 475671569 is 965176574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372953344 + 102718225 = 19312^2 + 10135^2 .

It is a cyclic number.

It is not a de Polignac number, because 475671569 - 2¹² = 475667473 is a prime.

It is a super-2 number, since 2×475671569² = 452526883109843522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475679569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237835784 + 237835785.

It is an arithmetic number, because the mean of its divisors is an integer number (237835785).

Almost surely, 2^475671569 is an apocalyptic number.

It is an amenable number.

475671569 is a deficient number, since it is larger than the sum of its proper divisors (1).

475671569 is an equidigital number, since it uses as much as digits as its factorization.

475671569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 50.

The square root of 475671569 is about 21809.8961253831. The cubic root of 475671569 is about 780.6129134990.

The spelling of 475671569 in words is "four hundred seventy-five million, six hundred seventy-one thousand, five hundred sixty-nine".