521068475 has 12 divisors (see below), whose sum is σ = 648087240. Its totient is φ = 415588800.

The previous prime is 521068469. The next prime is 521068477. The reversal of 521068475 is 574860125.

It is not a de Polignac number, because 521068475 - 2¹⁶ = 521002939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (521068477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23210 + ... + 39759.

It is an arithmetic number, because the mean of its divisors is an integer number (54007270).

Almost surely, 2^521068475 is an apocalyptic number.

521068475 is a deficient number, since it is larger than the sum of its proper divisors (127018765).

521068475 is a wasteful number, since it uses less digits than its factorization.

521068475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63310 (or 63305 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 521068475 is about 22826.9243438532. The cubic root of 521068475 is about 804.6955499053.

The spelling of 521068475 in words is "five hundred twenty-one million, sixty-eight thousand, four hundred seventy-five".