475727569 has 2 divisors, whose sum is σ = 475727570. Its totient is φ = 475727568.

The previous prime is 475727509. The next prime is 475727591. The reversal of 475727569 is 965727574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428283025 + 47444544 = 20695^2 + 6888^2 .

It is a cyclic number.

It is not a de Polignac number, because 475727569 - 2¹¹ = 475725521 is a prime.

It is a super-2 number, since 2×475727569² = 452633439813299522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475727509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237863784 + 237863785.

It is an arithmetic number, because the mean of its divisors is an integer number (237863785).

Almost surely, 2^475727569 is an apocalyptic number.

It is an amenable number.

475727569 is a deficient number, since it is larger than the sum of its proper divisors (1).

475727569 is an equidigital number, since it uses as much as digits as its factorization.

475727569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3704400, while the sum is 52.

The square root of 475727569 is about 21811.1799084781. The cubic root of 475727569 is about 780.6435457046.

The spelling of 475727569 in words is "four hundred seventy-five million, seven hundred twenty-seven thousand, five hundred sixty-nine".