9915061 has 8 divisors (see below), whose sum is σ = 10743320. Its totient is φ = 9150336.

The previous prime is 9915043. The next prime is 9915083. The reversal of 9915061 is 1605199.

It is the 1286-th star number.

It can be written as a sum of positive squares in 4 ways, for example, as 6728836 + 3186225 = 2594^2 + 1785^2 .

It is not a de Polignac number, because 9915061 - 2¹⁷ = 9783989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9915041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (1342915).

Almost surely, 2^9915061 is an apocalyptic number.

It is an amenable number.

9915061 is a deficient number, since it is larger than the sum of its proper divisors (828259).

9915061 is an equidigital number, since it uses as much as digits as its factorization.

9915061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 9915061 is about 3148.8189849529. The cubic root of 9915061 is about 214.8317486625.

The spelling of 9915061 in words is "nine million, nine hundred fifteen thousand, sixty-one".