961334281 has 2 divisors, whose sum is σ = 961334282. Its totient is φ = 961334280.

The previous prime is 961334263. The next prime is 961334327. The reversal of 961334281 is 182433169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942490000 + 18844281 = 30700^2 + 4341^2 .

It is a cyclic number.

It is not a de Polignac number, because 961334281 - 2¹¹ = 961332233 is a prime.

It is a super-2 number, since 2×961334281² = 1848327199651573922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 961334281.

It is not a weakly prime, because it can be changed into another prime (961334251) 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, 480667140 + 480667141.

It is an arithmetic number, because the mean of its divisors is an integer number (480667141).

Almost surely, 2^961334281 is an apocalyptic number.

It is an amenable number.

961334281 is a deficient number, since it is larger than the sum of its proper divisors (1).

961334281 is an equidigital number, since it uses as much as digits as its factorization.

961334281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 961334281 is about 31005.3911602482. The cubic root of 961334281 is about 986.9416487004.

The spelling of 961334281 in words is "nine hundred sixty-one million, three hundred thirty-four thousand, two hundred eighty-one".