535909 has 12 divisors (see below), whose sum is σ = 608608. Its totient is φ = 471240.

The previous prime is 535879. The next prime is 535919. The reversal of 535909 is 909535.

It is not a de Polignac number, because 535909 - 2¹⁷ = 404837 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5152 + ... + 5254.

2⁵³⁵⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

535909 is a deficient number, since it is larger than the sum of its proper divisors (72699).

535909 is a wasteful number, since it uses less digits than its factorization.

535909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 535909 is about 732.0580578069. The cubic root of 535909 is about 81.2263647229.

It can be divided in two parts, 535 and 909, that added together give a square (1444 = 38²).

The spelling of 535909 in words is "five hundred thirty-five thousand, nine hundred nine".