9960625 has 10 divisors (see below), whose sum is σ = 12447578. Its totient is φ = 7968000.

The previous prime is 9960619. The next prime is 9960653. The reversal of 9960625 is 5260699.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2927521 + 7033104 = 1711^2 + 2652^2 .

It is not a de Polignac number, because 9960625 - 2²³ = 1572017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7344 + ... + 8593.

Almost surely, 2^9960625 is an apocalyptic number.

It is an amenable number.

9960625 is a deficient number, since it is larger than the sum of its proper divisors (2486953).

9960625 is an equidigital number, since it uses as much as digits as its factorization.

9960625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15957 (or 15942 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 9960625 is about 3156.0457854727. The cubic root of 9960625 is about 215.1603275011.

It can be divided in two parts, 9960 and 625, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 9960625 in words is "nine million, nine hundred sixty thousand, six hundred twenty-five".