506521606 has 16 divisors (see below), whose sum is σ = 773964720. Its totient is φ = 248575360.

The previous prime is 506521591. The next prime is 506521633. The reversal of 506521606 is 606125605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14001 + ... + 34771.

It is an arithmetic number, because the mean of its divisors is an integer number (48372795).

Almost surely, 2^506521606 is an apocalyptic number.

506521606 is a deficient number, since it is larger than the sum of its proper divisors (267443114).

506521606 is a wasteful number, since it uses less digits than its factorization.

506521606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20999.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 506521606 is about 22506.0348795606. The cubic root of 506521606 is about 797.1364319944.

The spelling of 506521606 in words is "five hundred six million, five hundred twenty-one thousand, six hundred six".