961059565 has 16 divisors (see below), whose sum is σ = 1194231600. Its totient is φ = 741594112.

The previous prime is 961059523. The next prime is 961059599. The reversal of 961059565 is 565950169.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 271524484 + 689535081 = 16478^2 + 26259^2 .

It is a cyclic number.

It is not a de Polignac number, because 961059565 - 2¹³ = 961051373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175509 + ... + 180901.

It is an arithmetic number, because the mean of its divisors is an integer number (74639475).

Almost surely, 2^961059565 is an apocalyptic number.

It is an amenable number.

961059565 is a deficient number, since it is larger than the sum of its proper divisors (233172035).

961059565 is a wasteful number, since it uses less digits than its factorization.

961059565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656.

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 961059565 is about 31000.9607109199. The cubic root of 961059565 is about 986.8476285113.

The spelling of 961059565 in words is "nine hundred sixty-one million, fifty-nine thousand, five hundred sixty-five".