209094001 has 2 divisors, whose sum is σ = 209094002. Its totient is φ = 209094000.

The previous prime is 209093981. The next prime is 209094007. The reversal of 209094001 is 100490902.

209094001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209091600 + 2401 = 14460^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 209094001 - 2⁷ = 209093873 is a prime.

It is not a weakly prime, because it can be changed into another prime (209094007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104547000 + 104547001.

It is an arithmetic number, because the mean of its divisors is an integer number (104547001).

Almost surely, 2^209094001 is an apocalyptic number.

It is an amenable number.

209094001 is a deficient number, since it is larger than the sum of its proper divisors (1).

209094001 is an equidigital number, since it uses as much as digits as its factorization.

209094001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 209094001 is about 14460.0830218917. The cubic root of 209094001 is about 593.5361714089.

The spelling of 209094001 in words is "two hundred nine million, ninety-four thousand, one".