9897125 has 16 divisors (see below), whose sum is σ = 14117376. Its totient is φ = 6786000.

The previous prime is 9897109. The next prime is 9897127. The reversal of 9897125 is 5217989.

It is not a de Polignac number, because 9897125 - 2⁴ = 9897109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4781 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (882336).

Almost surely, 2^9897125 is an apocalyptic number.

It is an amenable number.

9897125 is a deficient number, since it is larger than the sum of its proper divisors (4220251).

9897125 is a wasteful number, since it uses less digits than its factorization.

9897125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333 (or 11323 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 9897125 is about 3145.9696438459. The cubic root of 9897125 is about 214.7021294220.

The spelling of 9897125 in words is "nine million, eight hundred ninety-seven thousand, one hundred twenty-five".