4268009 has 2 divisors, whose sum is σ = 4268010. Its totient is φ = 4268008.

The previous prime is 4267981. The next prime is 4268021. The reversal of 4268009 is 9008624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 426409 = 1960^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 4268009 - 2¹² = 4263913 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (4268029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134004 + 2134005.

It is an arithmetic number, because the mean of its divisors is an integer number (2134005).

Almost surely, 2^4268009 is an apocalyptic number.

It is an amenable number.

4268009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4268009 is an equidigital number, since it uses as much as digits as its factorization.

4268009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4268009 is about 2065.9160195903. The cubic root of 4268009 is about 162.2090604787.

The spelling of 4268009 in words is "four million, two hundred sixty-eight thousand, nine".