9012609 has 6 divisors (see below), whose sum is σ = 13018226. Its totient is φ = 6008400.

The previous prime is 9012589. The next prime is 9012611. The reversal of 9012609 is 9062109.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5198400 + 3814209 = 2280^2 + 1953^2 .

It is not a de Polignac number, because 9012609 - 2⁹ = 9012097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9012629) 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, 500692 + ... + 500709.

Almost surely, 2^9012609 is an apocalyptic number.

It is an amenable number.

9012609 is a deficient number, since it is larger than the sum of its proper divisors (4005617).

9012609 is a wasteful number, since it uses less digits than its factorization.

9012609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001407 (or 1001404 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 9012609 is about 3002.1007644648. The cubic root of 9012609 is about 208.1054768907.

The spelling of 9012609 in words is "nine million, twelve thousand, six hundred nine".