36051821 has 8 divisors (see below), whose sum is σ = 39028920. Its totient is φ = 33103872.

The previous prime is 36051811. The next prime is 36051839. The reversal of 36051821 is 12815063.

36051821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 35581225 = 686^2 + 5965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36051821 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 (36051811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4676 + ... + 9693.

It is an arithmetic number, because the mean of its divisors is an integer number (4878615).

Almost surely, 2^36051821 is an apocalyptic number.

It is an amenable number.

36051821 is a deficient number, since it is larger than the sum of its proper divisors (2977099).

36051821 is a wasteful number, since it uses less digits than its factorization.

36051821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14575.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 36051821 is about 6004.3168637240. The cubic root of 36051821 is about 330.3510833480.

Adding to 36051821 its reverse (12815063), we get a palindrome (48866884).

The spelling of 36051821 in words is "thirty-six million, fifty-one thousand, eight hundred twenty-one".