4265009 has 6 divisors (see below), whose sum is σ = 4961394. Its totient is φ = 3655680.

The previous prime is 4265003. The next prime is 4265017. The reversal of 4265009 is 9005624.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 784 = 2065^2 + 28^2 .

It is not a de Polignac number, because 4265009 - 2¹⁶ = 4199473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4265003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43472 + ... + 43569.

It is an arithmetic number, because the mean of its divisors is an integer number (826899).

Almost surely, 2^4265009 is an apocalyptic number.

4265009 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4265009 is a deficient number, since it is larger than the sum of its proper divisors (696385).

4265009 is an equidigital number, since it uses as much as digits as its factorization.

4265009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87055 (or 87048 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4265009 is about 2065.1898217839. The cubic root of 4265009 is about 162.1710457788.

The spelling of 4265009 in words is "four million, two hundred sixty-five thousand, nine".