9031609 has 2 divisors, whose sum is σ = 9031610. Its totient is φ = 9031608.

The previous prime is 9031597. The next prime is 9031613. The reversal of 9031609 is 9061309.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8248384 + 783225 = 2872^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 9031609 - 2⁷ = 9031481 is a prime.

It is a super-2 number, since 2×9031609² = 163139922257762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9031619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4515804 + 4515805.

It is an arithmetic number, because the mean of its divisors is an integer number (4515805).

Almost surely, 2^9031609 is an apocalyptic number.

It is an amenable number.

9031609 is a deficient number, since it is larger than the sum of its proper divisors (1).

9031609 is an equidigital number, since it uses as much as digits as its factorization.

9031609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 9031609 is about 3005.2635491750. The cubic root of 9031609 is about 208.2516139584.

The spelling of 9031609 in words is "nine million, thirty-one thousand, six hundred nine".