36242009 has 2 divisors, whose sum is σ = 36242010. Its totient is φ = 36242008.

The previous prime is 36241973. The next prime is 36242023. The reversal of 36242009 is 90024263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21187609 + 15054400 = 4603^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36242009 is a prime.

It is not a weakly prime, because it can be changed into another prime (36242039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18121004 + 18121005.

It is an arithmetic number, because the mean of its divisors is an integer number (18121005).

Almost surely, 2^36242009 is an apocalyptic number.

It is an amenable number.

36242009 is a deficient number, since it is larger than the sum of its proper divisors (1).

36242009 is an equidigital number, since it uses as much as digits as its factorization.

36242009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 36242009 is about 6020.1336363905. The cubic root of 36242009 is about 330.9309768667.

The spelling of 36242009 in words is "thirty-six million, two hundred forty-two thousand, nine".