475678013 has 2 divisors, whose sum is σ = 475678014. Its totient is φ = 475678012.

The previous prime is 475677991. The next prime is 475678057. The reversal of 475678013 is 310876574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465610084 + 10067929 = 21578^2 + 3173^2 .

It is a cyclic number.

It is not a de Polignac number, because 475678013 - 2⁶ = 475677949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475678613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237839006 + 237839007.

It is an arithmetic number, because the mean of its divisors is an integer number (237839007).

Almost surely, 2^475678013 is an apocalyptic number.

It is an amenable number.

475678013 is a deficient number, since it is larger than the sum of its proper divisors (1).

475678013 is an equidigital number, since it uses as much as digits as its factorization.

475678013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 475678013 is about 21810.0438559853. The cubic root of 475678013 is about 780.6164385131.

The spelling of 475678013 in words is "four hundred seventy-five million, six hundred seventy-eight thousand, thirteen".