536665837 has 4 divisors (see below), whose sum is σ = 536713660. Its totient is φ = 536618016.

The previous prime is 536665819. The next prime is 536665859. The reversal of 536665837 is 738566635.

It is the 9458-th star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 325225156 + 211440681 = 18034^2 + 14541^2 .

It is a cyclic number.

It is not a de Polignac number, because 536665837 - 2⁷ = 536665709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536665867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073 + ... + 32905.

It is an arithmetic number, because the mean of its divisors is an integer number (134178415).

Almost surely, 2^536665837 is an apocalyptic number.

It is an amenable number.

536665837 is a deficient number, since it is larger than the sum of its proper divisors (47823).

536665837 is a wasteful number, since it uses less digits than its factorization.

536665837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47822.

The product of its digits is 2721600, while the sum is 49.

The square root of 536665837 is about 23166.0492315803. The cubic root of 536665837 is about 812.6458402349.

The spelling of 536665837 in words is "five hundred thirty-six million, six hundred sixty-five thousand, eight hundred thirty-seven".