9775625 has 10 divisors (see below), whose sum is σ = 12216402. Its totient is φ = 7820000.

The previous prime is 9775609. The next prime is 9775637. The reversal of 9775625 is 5265779.

It can be written as a sum of positive squares in 5 ways, for example, as 942841 + 8832784 = 971^2 + 2972^2 .

It is not a de Polignac number, because 9775625 - 2⁴ = 9775609 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁴ + 7³ + 7⁴ + 5⁴ + 6 + 2⁶ + 5¹⁰ .

It is a Duffinian number.

It is a Curzon 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, 7196 + ... + 8445.

Almost surely, 2^9775625 is an apocalyptic number.

It is an amenable number.

9775625 is a deficient number, since it is larger than the sum of its proper divisors (2440777).

9775625 is an equidigital number, since it uses as much as digits as its factorization.

9775625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15661 (or 15646 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 9775625 is about 3126.5995906096. The cubic root of 9775625 is about 213.8199274191.

The spelling of 9775625 in words is "nine million, seven hundred seventy-five thousand, six hundred twenty-five".