36328921 has 2 divisors, whose sum is σ = 36328922. Its totient is φ = 36328920.

The previous prime is 36328883. The next prime is 36328927. The reversal of 36328921 is 12982363.

It is a happy number.

36328921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 10471696 = 5085^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 36328921 - 2¹⁵ = 36296153 is a prime.

It is not a weakly prime, because it can be changed into another prime (36328927) 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 as a sum of consecutive naturals, namely, 18164460 + 18164461.

It is an arithmetic number, because the mean of its divisors is an integer number (18164461).

Almost surely, 2^36328921 is an apocalyptic number.

It is an amenable number.

36328921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36328921 is an equidigital number, since it uses as much as digits as its factorization.

36328921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 36328921 is about 6027.3477583428. The cubic root of 36328921 is about 331.1953009954.

It can be divided in two parts, 36328 and 921, that added together give a square (37249 = 193²).

The spelling of 36328921 in words is "thirty-six million, three hundred twenty-eight thousand, nine hundred twenty-one".