522871906 has 16 divisors (see below), whose sum is σ = 826090560. Its totient is φ = 247525200.

The previous prime is 522871861. The next prime is 522871927. The reversal of 522871906 is 609178225.

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, 81931 + ... + 88081.

It is an arithmetic number, because the mean of its divisors is an integer number (51630660).

Almost surely, 2^522871906 is an apocalyptic number.

522871906 is a deficient number, since it is larger than the sum of its proper divisors (303218654).

522871906 is a wasteful number, since it uses less digits than its factorization.

522871906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 522871906 is about 22866.3925007860. The cubic root of 522871906 is about 805.6228380665.

The spelling of 522871906 in words is "five hundred twenty-two million, eight hundred seventy-one thousand, nine hundred six".