475517953 has 2 divisors, whose sum is σ = 475517954. Its totient is φ = 475517952.

The previous prime is 475517923. The next prime is 475517963. The reversal of 475517953 is 359715574.

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., 469025649 + 6492304 = 21657^2 + 2548^2 .

It is a cyclic number.

It is not a de Polignac number, because 475517953 - 2¹³ = 475509761 is a prime.

It is a super-2 number, since 2×475517953² = 452234647250620418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475517923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237758976 + 237758977.

It is an arithmetic number, because the mean of its divisors is an integer number (237758977).

Almost surely, 2^475517953 is an apocalyptic number.

It is an amenable number.

475517953 is a deficient number, since it is larger than the sum of its proper divisors (1).

475517953 is an equidigital number, since it uses as much as digits as its factorization.

475517953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 46.

The square root of 475517953 is about 21806.3741369353. The cubic root of 475517953 is about 780.5288726383.

The spelling of 475517953 in words is "four hundred seventy-five million, five hundred seventeen thousand, nine hundred fifty-three".