520063406 has 8 divisors (see below), whose sum is σ = 793317240. Its totient is φ = 255624328.

The previous prime is 520063391. The next prime is 520063417. The reversal of 520063406 is 604360025.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203541 + ... + 2203776.

It is an arithmetic number, because the mean of its divisors is an integer number (99164655).

Almost surely, 2^520063406 is an apocalyptic number.

520063406 is a deficient number, since it is larger than the sum of its proper divisors (273253834).

520063406 is a wasteful number, since it uses less digits than its factorization.

520063406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407378.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 520063406 is about 22804.8987281242. The cubic root of 520063406 is about 804.1778347660.

The spelling of 520063406 in words is "five hundred twenty million, sixty-three thousand, four hundred six".