475712617 has 2 divisors, whose sum is σ = 475712618. Its totient is φ = 475712616.

The previous prime is 475712609. The next prime is 475712621. The reversal of 475712617 is 716217574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472671081 + 3041536 = 21741^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 475712617 - 2³ = 475712609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475712617.

It is not a weakly prime, because it can be changed into another prime (475712647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237856308 + 237856309.

It is an arithmetic number, because the mean of its divisors is an integer number (237856309).

Almost surely, 2^475712617 is an apocalyptic number.

It is an amenable number.

475712617 is a deficient number, since it is larger than the sum of its proper divisors (1).

475712617 is an equidigital number, since it uses as much as digits as its factorization.

475712617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 40.

The square root of 475712617 is about 21810.8371457860. The cubic root of 475712617 is about 780.6353671409.

The spelling of 475712617 in words is "four hundred seventy-five million, seven hundred twelve thousand, six hundred seventeen".