36550321 has 2 divisors, whose sum is σ = 36550322. Its totient is φ = 36550320.

The previous prime is 36550313. The next prime is 36550331. The reversal of 36550321 is 12305563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25361296 + 11189025 = 5036^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 36550321 - 2³ = 36550313 is a prime.

It is not a weakly prime, because it can be changed into another prime (36550331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18275160 + 18275161.

It is an arithmetic number, because the mean of its divisors is an integer number (18275161).

Almost surely, 2^36550321 is an apocalyptic number.

It is an amenable number.

36550321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36550321 is an equidigital number, since it uses as much as digits as its factorization.

36550321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 36550321 is about 6045.6861479902. The cubic root of 36550321 is about 331.8667420154.

Adding to 36550321 its reverse (12305563), we get a palindrome (48855884).

The spelling of 36550321 in words is "thirty-six million, five hundred fifty thousand, three hundred twenty-one".