535656985 has 16 divisors (see below), whose sum is σ = 648963216. Its totient is φ = 424424448.

The previous prime is 535656983. The next prime is 535657007. The reversal of 535656985 is 589656535.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 56791296 + 478865689 = 7536^2 + 21883^2 .

It is a cyclic number.

It is not a de Polignac number, because 535656985 - 2¹ = 535656983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535656983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518029 + ... + 519061.

It is an arithmetic number, because the mean of its divisors is an integer number (40560201).

Almost surely, 2^535656985 is an apocalyptic number.

It is an amenable number.

535656985 is a deficient number, since it is larger than the sum of its proper divisors (113306231).

535656985 is a wasteful number, since it uses less digits than its factorization.

535656985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its digits is 4860000, while the sum is 52.

The square root of 535656985 is about 23144.2646243081. The cubic root of 535656985 is about 812.1363030225.

The spelling of 535656985 in words is "five hundred thirty-five million, six hundred fifty-six thousand, nine hundred eighty-five".