961573 has 8 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 916320.

The previous prime is 961567. The next prime is 961601. The reversal of 961573 is 375169.

961573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961573 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 (961073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2⁹⁶¹⁵⁷³ is an apocalyptic number.

It is an amenable number.

961573 is a deficient number, since it is larger than the sum of its proper divisors (46427).

961573 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (961572) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (587).

961573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 5670, while the sum is 31.

The square root of 961573 is about 980.5982867617. The cubic root of 961573 is about 98.7023334551.

The spelling of 961573 in words is "nine hundred sixty-one thousand, five hundred seventy-three".