9152009 has 2 divisors, whose sum is σ = 9152010. Its totient is φ = 9152008.

The previous prime is 9151997. The next prime is 9152051. The reversal of 9152009 is 9002519.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8832784 + 319225 = 2972^2 + 565^2 .

It is an emirp because it is prime and its reverse (9002519) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9152009 - 2⁴ = 9151993 is a prime.

It is not a weakly prime, because it can be changed into another prime (9152089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4576004 + 4576005.

It is an arithmetic number, because the mean of its divisors is an integer number (4576005).

Almost surely, 2^9152009 is an apocalyptic number.

It is an amenable number.

9152009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9152009 is an equidigital number, since it uses as much as digits as its factorization.

9152009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 9152009 is about 3025.2287516814. The cubic root of 9152009 is about 209.1729298365.

The spelling of 9152009 in words is "nine million, one hundred fifty-two thousand, nine".