475285477 has 2 divisors, whose sum is σ = 475285478. Its totient is φ = 475285476.

The previous prime is 475285457. The next prime is 475285519. The reversal of 475285477 is 774582574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455651716 + 19633761 = 21346^2 + 4431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475285477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475285477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475285457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237642738 + 237642739.

It is an arithmetic number, because the mean of its divisors is an integer number (237642739).

Almost surely, 2^475285477 is an apocalyptic number.

It is an amenable number.

475285477 is a deficient number, since it is larger than the sum of its proper divisors (1).

475285477 is an equidigital number, since it uses as much as digits as its factorization.

475285477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2195200, while the sum is 49.

The square root of 475285477 is about 21801.0430255068. The cubic root of 475285477 is about 780.4016543020.

The spelling of 475285477 in words is "four hundred seventy-five million, two hundred eighty-five thousand, four hundred seventy-seven".