536549 has 8 divisors (see below), whose sum is σ = 583800. Its totient is φ = 490176.

The previous prime is 536533. The next prime is 536561. The reversal of 536549 is 945635.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21025 + 515524 = 145^2 + 718^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 536549 - 2⁴ = 536533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (72975).

2⁵³⁶⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

536549 is a deficient number, since it is larger than the sum of its proper divisors (47251).

536549 is a wasteful number, since it uses less digits than its factorization.

536549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its digits is 16200, while the sum is 32.

The square root of 536549 is about 732.4950511778. The cubic root of 536549 is about 81.2586862508.

The spelling of 536549 in words is "five hundred thirty-six thousand, five hundred forty-nine".