9664025 has 36 divisors (see below), whose sum is σ = 14588352. Its totient is φ = 6338640.

The previous prime is 9664009. The next prime is 9664043. The reversal of 9664025 is 5204669.

9664025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9664025 - 2⁴ = 9664009 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 9663982 and 9664000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 420164 + ... + 420186.

It is an arithmetic number, because the mean of its divisors is an integer number (405232).

Almost surely, 2^9664025 is an apocalyptic number.

It is an amenable number.

9664025 is a deficient number, since it is larger than the sum of its proper divisors (4924327).

9664025 is an frugal number, since it uses more digits than its factorization.

9664025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 9664025 is about 3108.7014974101. The cubic root of 9664025 is about 213.0031445384.

The spelling of 9664025 in words is "nine million, six hundred sixty-four thousand, twenty-five".