9661275 has 60 divisors (see below), whose sum is σ = 19325152. Its totient is φ = 4743360.

The previous prime is 9661261. The next prime is 9661277. The reversal of 9661275 is 5721669.

It is not a de Polignac number, because 9661275 - 2⁸ = 9661019 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (9661277) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 26142 + ... + 26508.

Almost surely, 2^9661275 is an apocalyptic number.

9661275 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

9661275 is a wasteful number, since it uses less digits than its factorization.

9661275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 388 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 9661275 is about 3108.2591590792. The cubic root of 9661275 is about 212.9829385263.

The spelling of 9661275 in words is "nine million, six hundred sixty-one thousand, two hundred seventy-five".