961773 has 4 divisors (see below), whose sum is σ = 1282368. Its totient is φ = 641180.

The previous prime is 961769. The next prime is 961777. The reversal of 961773 is 377169.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (961769) and next prime (961777).

It is a cyclic number.

It is not a de Polignac number, because 961773 - 2² = 961769 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961777) 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 3 ways as a sum of consecutive naturals, for example, 160293 + ... + 160298.

It is an arithmetic number, because the mean of its divisors is an integer number (320592).

2⁹⁶¹⁷⁷³ is an apocalyptic number.

It is an amenable number.

961773 is a deficient number, since it is larger than the sum of its proper divisors (320595).

961773 is a wasteful number, since it uses less digits than its factorization.

961773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320594.

The product of its digits is 7938, while the sum is 33.

The square root of 961773 is about 980.7002600183. The cubic root of 961773 is about 98.7091760967.

The spelling of 961773 in words is "nine hundred sixty-one thousand, seven hundred seventy-three".