536609785 has 8 divisors (see below), whose sum is σ = 645125256. Its totient is φ = 428492160.

The previous prime is 536609753. The next prime is 536609797. The reversal of 536609785 is 587906635.

It can be written as a sum of positive squares in 4 ways, for example, as 104468841 + 432140944 = 10221^2 + 20788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 536609785 - 2⁵ = 536609753 is a prime.

It is a super-2 number, since 2×536609785² = 575900122715492450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96484 + ... + 101893.

It is an arithmetic number, because the mean of its divisors is an integer number (80640657).

Almost surely, 2^536609785 is an apocalyptic number.

It is an amenable number.

536609785 is a deficient number, since it is larger than the sum of its proper divisors (108515471).

536609785 is a wasteful number, since it uses less digits than its factorization.

536609785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198923.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 536609785 is about 23164.8394123508. The cubic root of 536609785 is about 812.6175470169.

The spelling of 536609785 in words is "five hundred thirty-six million, six hundred nine thousand, seven hundred eighty-five".