36442321 has 2 divisors, whose sum is σ = 36442322. Its totient is φ = 36442320.

The previous prime is 36442319. The next prime is 36442337. The reversal of 36442321 is 12324463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36433296 + 9025 = 6036^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 36442321 - 2¹ = 36442319 is a prime.

Together with 36442319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36442421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18221160 + 18221161.

It is an arithmetic number, because the mean of its divisors is an integer number (18221161).

Almost surely, 2^36442321 is an apocalyptic number.

It is an amenable number.

36442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36442321 is an equidigital number, since it uses as much as digits as its factorization.

36442321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 36442321 is about 6036.7475514552. The cubic root of 36442321 is about 331.5395495569.

Adding to 36442321 its reverse (12324463), we get a palindrome (48766784).

It can be divided in two parts, 36442 and 321, that added together give a palindrome (36763).

The spelling of 36442321 in words is "thirty-six million, four hundred forty-two thousand, three hundred twenty-one".