536909 has 2 divisors, whose sum is σ = 536910. Its totient is φ = 536908.

The previous prime is 536891. The next prime is 536917. The reversal of 536909 is 909635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 15625 = 722^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536909 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268454 + 268455.

It is an arithmetic number, because the mean of its divisors is an integer number (268455).

2⁵³⁶⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

536909 is a deficient number, since it is larger than the sum of its proper divisors (1).

536909 is an equidigital number, since it uses as much as digits as its factorization.

536909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 536909 is about 732.7407454209. The cubic root of 536909 is about 81.2768558166.

The spelling of 536909 in words is "five hundred thirty-six thousand, nine hundred nine".