533656985 has 16 divisors (see below), whose sum is σ = 663506640. Its totient is φ = 411559680.

The previous prime is 533656969. The next prime is 533656987. The reversal of 533656985 is 589656335.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 121242121 + 412414864 = 11011^2 + 20308^2 .

It is not a de Polignac number, because 533656985 - 2⁴ = 533656969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (533656987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103775 + ... + 108795.

It is an arithmetic number, because the mean of its divisors is an integer number (41469165).

Almost surely, 2^533656985 is an apocalyptic number.

It is an amenable number.

533656985 is a deficient number, since it is larger than the sum of its proper divisors (129849655).

533656985 is a wasteful number, since it uses less digits than its factorization.

533656985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788.

The product of its digits is 2916000, while the sum is 50.

The square root of 533656985 is about 23101.0169689562. The cubic root of 533656985 is about 811.1242758057.

The spelling of 533656985 in words is "five hundred thirty-three million, six hundred fifty-six thousand, nine hundred eighty-five".