9865425 has 24 divisors (see below), whose sum is σ = 16417600. Its totient is φ = 5227200.

The previous prime is 9865417. The next prime is 9865433. The reversal of 9865425 is 5245689.

It is an interprime number because it is at equal distance from previous prime (9865417) and next prime (9865433).

It is not a de Polignac number, because 9865425 - 2³ = 9865417 is a prime.

It is a super-2 number, since 2×9865425² = 194653220861250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14595 + ... + 15255.

Almost surely, 2^9865425 is an apocalyptic number.

It is an amenable number.

9865425 is a deficient number, since it is larger than the sum of its proper divisors (6552175).

9865425 is a wasteful number, since it uses less digits than its factorization.

9865425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 868 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 9865425 is about 3140.9274108136. The cubic root of 9865425 is about 214.4726574979.

The spelling of 9865425 in words is "nine million, eight hundred sixty-five thousand, four hundred twenty-five".