536506 has 4 divisors (see below), whose sum is σ = 804762. Its totient is φ = 268252.

The previous prime is 536491. The next prime is 536509. The reversal of 536506 is 605635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 25281 = 715^2 + 159^2 .

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 as a sum of consecutive naturals, namely, 134125 + ... + 134128.

2⁵³⁶⁵⁰⁶ is an apocalyptic number.

536506 is a deficient number, since it is larger than the sum of its proper divisors (268256).

536506 is a wasteful number, since it uses less digits than its factorization.

536506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268255.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 536506 is about 732.4656988556. The cubic root of 536506 is about 81.2565154538.

It can be divided in two parts, 536 and 506, that multiplied together give a triangular number (271216 = T₇₃₆).

The spelling of 536506 in words is "five hundred thirty-six thousand, five hundred six".