9261009 has 6 divisors (see below), whose sum is σ = 13377026. Its totient is φ = 6174000.

The previous prime is 9260963. The next prime is 9261013. The reversal of 9261009 is 9001629.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 2985984 = 2505^2 + 1728^2 .

It is not a de Polignac number, because 9261009 - 2⁸ = 9260753 is a prime.

It is a Duffinian number.

It is a Curzon number.

9261009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9261059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514492 + ... + 514509.

Almost surely, 2^9261009 is an apocalyptic number.

It is an amenable number.

9261009 is a deficient number, since it is larger than the sum of its proper divisors (4116017).

9261009 is a wasteful number, since it uses less digits than its factorization.

9261009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029007 (or 1029004 counting only the distinct ones).

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

The square root of 9261009 is about 3043.1905954113. The cubic root of 9261009 is about 210.0000680272. Note that the first 4 decimals are identical.

The spelling of 9261009 in words is "nine million, two hundred sixty-one thousand, nine".