100609001 has 2 divisors, whose sum is σ = 100609002. Its totient is φ = 100609000.

The previous prime is 100608967. The next prime is 100609037. The reversal of 100609001 is 100906001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 14137600 = 9299^2 + 3760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100609001 is a prime.

It is a Chen prime.

100609001 is a strobogrammatic number because it is the same when read upside-down.

It is not a weakly prime, because it can be changed into another prime (100609051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50304500 + 50304501.

It is an arithmetic number, because the mean of its divisors is an integer number (50304501).

Almost surely, 2^100609001 is an apocalyptic number.

It is an amenable number.

100609001 is a deficient number, since it is larger than the sum of its proper divisors (1).

100609001 is an equidigital number, since it uses as much as digits as its factorization.

100609001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 100609001 is about 10030.4038303550. The cubic root of 100609001 is about 465.0992211284.

The spelling of 100609001 in words is "one hundred million, six hundred nine thousand, one".