1010961565 has 8 divisors (see below), whose sum is σ = 1214094168. Its totient is φ = 808142400.

The previous prime is 1010961541. The next prime is 1010961569. The reversal of 1010961565 is 5651690101.

It can be written as a sum of positive squares in 4 ways, for example, as 83210884 + 927750681 = 9122^2 + 30459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1010961565 - 2¹⁵ = 1010928797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010961565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010961569) 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, 71202 + ... + 84211.

It is an arithmetic number, because the mean of its divisors is an integer number (151761771).

Almost surely, 2^1010961565 is an apocalyptic number.

It is an amenable number.

1010961565 is a deficient number, since it is larger than the sum of its proper divisors (203132603).

1010961565 is a wasteful number, since it uses less digits than its factorization.

1010961565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156719.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1010961565 is about 31795.6217897999. The cubic root of 1010961565 is about 1003.6405850565.

The spelling of 1010961565 in words is "one billion, ten million, nine hundred sixty-one thousand, five hundred sixty-five".