36531823 has 4 divisors (see below), whose sum is σ = 36715600. Its totient is φ = 36348048.

The previous prime is 36531821. The next prime is 36531829. The reversal of 36531823 is 32813563.

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

It is a cyclic number.

It is not a de Polignac number, because 36531823 - 2¹ = 36531821 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 (36531821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91590 + ... + 91987.

It is an arithmetic number, because the mean of its divisors is an integer number (9178900).

Almost surely, 2^36531823 is an apocalyptic number.

36531823 is a deficient number, since it is larger than the sum of its proper divisors (183777).

36531823 is a wasteful number, since it uses less digits than its factorization.

36531823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183776.

The product of its digits is 12960, while the sum is 31.

The square root of 36531823 is about 6044.1561032124. The cubic root of 36531823 is about 331.8107470041.

It can be divided in two parts, 3653 and 1823, that added together give a square (5476 = 74²).

The spelling of 36531823 in words is "thirty-six million, five hundred thirty-one thousand, eight hundred twenty-three".