9649225 has 12 divisors (see below), whose sum is σ = 12078220. Its totient is φ = 7646400.

The previous prime is 9649223. The next prime is 9649247. The reversal of 9649225 is 5229469.

9649225 = 2196² + 2197².

It can be written as a sum of positive squares in 6 ways, for example, as 64009 + 9585216 = 253^2 + 3096^2 .

It is not a de Polignac number, because 9649225 - 2¹ = 9649223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9649223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955 + ... + 4495.

Almost surely, 2^9649225 is an apocalyptic number.

9649225 is the 2197-th centered square number.

It is an amenable number.

9649225 is a deficient number, since it is larger than the sum of its proper divisors (2428995).

9649225 is a wasteful number, since it uses less digits than its factorization.

9649225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3655 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 9649225 is about 3106.3201702336. The cubic root of 9649225 is about 212.8943542160.

The spelling of 9649225 in words is "nine million, six hundred forty-nine thousand, two hundred twenty-five".