36021833 has 4 divisors (see below), whose sum is σ = 36035268. Its totient is φ = 36008400.

The previous prime is 36021809. The next prime is 36021847. The reversal of 36021833 is 33812063.

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 23687689 + 12334144 = 4867^2 + 3512^2 .

It is a cyclic number.

It is not a de Polignac number, because 36021833 - 2⁸ = 36021577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36021803) 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 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 8567.

It is an arithmetic number, because the mean of its divisors is an integer number (9008817).

Almost surely, 2^36021833 is an apocalyptic number.

It is an amenable number.

36021833 is a deficient number, since it is larger than the sum of its proper divisors (13435).

36021833 is an equidigital number, since it uses as much as digits as its factorization.

36021833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13434.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 36021833 is about 6001.8191408939. The cubic root of 36021833 is about 330.2594623050.

Adding to 36021833 its reverse (33812063), we get a palindrome (69833896).

The spelling of 36021833 in words is "thirty-six million, twenty-one thousand, eight hundred thirty-three".