4162009 has 2 divisors, whose sum is σ = 4162010.
Its totient is φ = 4162008.
The previous prime is 4162003. The next prime is 4162021. The reversal of 4162009 is 9002614.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2544025 + 1617984 = 1595^2 + 1272^2
It is a cyclic number.
It is not a de Polignac number, because 4162009 - 25 = 4161977 is a prime.
It is not a weakly prime, because it can be changed into another prime (4162003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081004 + 2081005.
It is an arithmetic number, because the mean of its divisors is an integer number (2081005).
Almost surely, 24162009 is an apocalyptic number.
It is an amenable number.
4162009 is a deficient number, since it is larger than the sum of its proper divisors (1).
4162009 is an equidigital number, since it uses as much as digits as its factorization.
4162009 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 4162009 is about 2040.1002426352.
The cubic root of 4162009 is about 160.8549160425.
The spelling of 4162009 in words is "four million, one hundred sixty-two thousand, nine".