961973 has 2 divisors, whose sum is σ = 961974. Its totient is φ = 961972.

The previous prime is 961957. The next prime is 961981. The reversal of 961973 is 379169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 253009 = 842^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 961973 - 2⁴ = 961957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961943) 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 as a sum of consecutive naturals, namely, 480986 + 480987.

It is an arithmetic number, because the mean of its divisors is an integer number (480987).

2⁹⁶¹⁹⁷³ is an apocalyptic number.

It is an amenable number.

961973 is a deficient number, since it is larger than the sum of its proper divisors (1).

961973 is an equidigital number, since it uses as much as digits as its factorization.

961973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 961973 is about 980.8022226728. The cubic root of 961973 is about 98.7160177897.

The spelling of 961973 in words is "nine hundred sixty-one thousand, nine hundred seventy-three".