9578125 has 14 divisors (see below), whose sum is σ = 11992034. Its totient is φ = 7650000.

The previous prime is 9578059. The next prime is 9578131. The reversal of 9578125 is 5218759.

It can be written as a sum of positive squares in 7 ways, for example, as 8145316 + 1432809 = 2854^2 + 1197^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9578125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15319 + ... + 15931.

Almost surely, 2^9578125 is an apocalyptic number.

It is an amenable number.

9578125 is a deficient number, since it is larger than the sum of its proper divisors (2413909).

9578125 is an frugal number, since it uses more digits than its factorization.

9578125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 618 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

The square root of 9578125 is about 3094.8546007850. The cubic root of 9578125 is about 212.3701629005.

The spelling of 9578125 in words is "nine million, five hundred seventy-eight thousand, one hundred twenty-five".