36624209 has 2 divisors, whose sum is σ = 36624210. Its totient is φ = 36624208.

The previous prime is 36624169. The next prime is 36624221. The reversal of 36624209 is 90242663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 1849600 = 5897^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 36624209 - 2¹⁶ = 36558673 is a prime.

It is not a weakly prime, because it can be changed into another prime (36621209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18312104 + 18312105.

It is an arithmetic number, because the mean of its divisors is an integer number (18312105).

Almost surely, 2^36624209 is an apocalyptic number.

It is an amenable number.

36624209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36624209 is an equidigital number, since it uses as much as digits as its factorization.

36624209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 36624209 is about 6051.7938662846. The cubic root of 36624209 is about 332.0902189855.

The spelling of 36624209 in words is "thirty-six million, six hundred twenty-four thousand, two hundred nine".