15068009 has 6 divisors (see below), whose sum is σ = 16562490. Its totient is φ = 13698080.

The previous prime is 15067999. The next prime is 15068029. The reversal of 15068009 is 90086051.

It can be written as a sum of positive squares in only one way, i.e., 14992384 + 75625 = 3872^2 + 275^2 .

It is not a de Polignac number, because 15068009 - 2⁴ = 15067993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15068029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62144 + ... + 62385.

It is an arithmetic number, because the mean of its divisors is an integer number (2760415).

Almost surely, 2^15068009 is an apocalyptic number.

It is an amenable number.

15068009 is a deficient number, since it is larger than the sum of its proper divisors (1494481).

15068009 is a wasteful number, since it uses less digits than its factorization.

15068009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124551 (or 124540 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 15068009 is about 3881.7533409530. The cubic root of 15068009 is about 246.9933669207.

The spelling of 15068009 in words is "fifteen million, sixty-eight thousand, nine".