9955625 has 20 divisors (see below), whose sum is σ = 13186404. Its totient is φ = 7488000.

The previous prime is 9955577. The next prime is 9955633. The reversal of 9955625 is 5265599.

It can be written as a sum of positive squares in 10 ways, for example, as 8637721 + 1317904 = 2939^2 + 1148^2 .

It is not a de Polignac number, because 9955625 - 2¹⁰ = 9954601 is a prime.

It is a super-2 number, since 2×9955625² = 198228938281250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9 + 9⁵ + 5⁵ + 5⁶ + 6⁶ + 2¹⁶ + 5¹⁰ .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10157 + ... + 11093.

Almost surely, 2^9955625 is an apocalyptic number.

It is an amenable number.

9955625 is a deficient number, since it is larger than the sum of its proper divisors (3230779).

9955625 is an equidigital number, since it uses as much as digits as its factorization.

9955625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 959 counting only the distinct ones).

The product of its digits is 121500, while the sum is 41.

The square root of 9955625 is about 3155.2535555800. The cubic root of 9955625 is about 215.1243196637.

The spelling of 9955625 in words is "nine million, nine hundred fifty-five thousand, six hundred twenty-five".