522985636 has 12 divisors (see below), whose sum is σ = 915768112. Its totient is φ = 261337608.

The previous prime is 522985633. The next prime is 522985657. The reversal of 522985636 is 636589225.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (522985633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31050 + ... + 44833.

Almost surely, 2^522985636 is an apocalyptic number.

It is an amenable number.

522985636 is a deficient number, since it is larger than the sum of its proper divisors (392782476).

522985636 is a wasteful number, since it uses less digits than its factorization.

522985636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77610 (or 77608 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 522985636 is about 22868.8792029693. The cubic root of 522985636 is about 805.6812442408.

The spelling of 522985636 in words is "five hundred twenty-two million, nine hundred eighty-five thousand, six hundred thirty-six".