475520489 has 2 divisors, whose sum is σ = 475520490. Its totient is φ = 475520488.

The previous prime is 475520483. The next prime is 475520557. The reversal of 475520489 is 984025574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243110464 + 232410025 = 15592^2 + 15245^2 .

It is a cyclic number.

It is not a de Polignac number, because 475520489 - 2⁴ = 475520473 is a prime.

It is a super-2 number, since 2×475520489² = 452239470917598242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475520483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237760244 + 237760245.

It is an arithmetic number, because the mean of its divisors is an integer number (237760245).

Almost surely, 2^475520489 is an apocalyptic number.

It is an amenable number.

475520489 is a deficient number, since it is larger than the sum of its proper divisors (1).

475520489 is an equidigital number, since it uses as much as digits as its factorization.

475520489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 475520489 is about 21806.4322849933. The cubic root of 475520489 is about 780.5302601903.

The spelling of 475520489 in words is "four hundred seventy-five million, five hundred twenty thousand, four hundred eighty-nine".