100036609 has 2 divisors, whose sum is σ = 100036610. Its totient is φ = 100036608.

The previous prime is 100036583. The next prime is 100036621. The reversal of 100036609 is 906630001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 23736384 = 8735^2 + 4872^2 .

It is a cyclic number.

It is not a de Polignac number, because 100036609 - 2⁷ = 100036481 is a prime.

It is not a weakly prime, because it can be changed into another prime (100036639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50018304 + 50018305.

It is an arithmetic number, because the mean of its divisors is an integer number (50018305).

Almost surely, 2^100036609 is an apocalyptic number.

It is an amenable number.

100036609 is a deficient number, since it is larger than the sum of its proper divisors (1).

100036609 is an equidigital number, since it uses as much as digits as its factorization.

100036609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 100036609 is about 10001.8302825033. The cubic root of 100036609 is about 464.2155177593.

The spelling of 100036609 in words is "one hundred million, thirty-six thousand, six hundred nine".