9897025 has 12 divisors (see below), whose sum is σ = 12534912. Its totient is φ = 7748240.

The previous prime is 9897023. The next prime is 9897037. The reversal of 9897025 is 5207989.

It is not a de Polignac number, because 9897025 - 2¹ = 9897023 is a prime.

It is a super-2 number, since 2×9897025² = 195902207701250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9897023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3037 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (1044576).

Almost surely, 2^9897025 is an apocalyptic number.

It is an amenable number.

9897025 is a deficient number, since it is larger than the sum of its proper divisors (2637887).

9897025 is a wasteful number, since it uses less digits than its factorization.

9897025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480 (or 8475 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 9897025 is about 3145.9537504547. The cubic root of 9897025 is about 214.7014063067.

The spelling of 9897025 in words is "nine million, eight hundred ninety-seven thousand, twenty-five".