36680321 has 2 divisors, whose sum is σ = 36680322. Its totient is φ = 36680320.

The previous prime is 36680309. The next prime is 36680327. The reversal of 36680321 is 12308663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 14250625 = 4736^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 36680321 - 2²² = 32486017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36680327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340160 + 18340161.

It is an arithmetic number, because the mean of its divisors is an integer number (18340161).

Almost surely, 2^36680321 is an apocalyptic number.

It is an amenable number.

36680321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36680321 is an equidigital number, since it uses as much as digits as its factorization.

36680321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 36680321 is about 6056.4280727174. The cubic root of 36680321 is about 332.2597310691.

Adding to 36680321 its reverse (12308663), we get a palindrome (48988984).

The spelling of 36680321 in words is "thirty-six million, six hundred eighty thousand, three hundred twenty-one".