9025609 has 2 divisors, whose sum is σ = 9025610. Its totient is φ = 9025608.

The previous prime is 9025573. The next prime is 9025613. The reversal of 9025609 is 9065209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6775609 + 2250000 = 2603^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 9025609 - 2⁹ = 9025097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9025109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512804 + 4512805.

It is an arithmetic number, because the mean of its divisors is an integer number (4512805).

Almost surely, 2^9025609 is an apocalyptic number.

It is an amenable number.

9025609 is a deficient number, since it is larger than the sum of its proper divisors (1).

9025609 is an equidigital number, since it uses as much as digits as its factorization.

9025609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 9025609 is about 3004.2651347709. The cubic root of 9025609 is about 208.2054875712.

The spelling of 9025609 in words is "nine million, twenty-five thousand, six hundred nine".