521068479 has 8 divisors (see below), whose sum is σ = 735626160. Its totient is φ = 326944896.

The previous prime is 521068477. The next prime is 521068523. The reversal of 521068479 is 974860125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 521068479 - 2¹ = 521068477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 521068479.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5108464 + ... + 5108565.

It is an arithmetic number, because the mean of its divisors is an integer number (91953270).

Almost surely, 2^521068479 is an apocalyptic number.

521068479 is a deficient number, since it is larger than the sum of its proper divisors (214557681).

521068479 is a wasteful number, since it uses less digits than its factorization.

521068479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217049.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 521068479 is about 22826.9244314691. The cubic root of 521068479 is about 804.6955519644.

The spelling of 521068479 in words is "five hundred twenty-one million, sixty-eight thousand, four hundred seventy-nine".