961817 has 2 divisors, whose sum is σ = 961818. Its totient is φ = 961816.

The previous prime is 961813. The next prime is 961841. The reversal of 961817 is 718169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 274576 = 829^2 + 524^2 .

It is an emirp because it is prime and its reverse (718169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961817 - 2² = 961813 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961817.

It is not a weakly prime, because it can be changed into another prime (961811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480908 + 480909.

It is an arithmetic number, because the mean of its divisors is an integer number (480909).

2⁹⁶¹⁸¹⁷ is an apocalyptic number.

It is an amenable number.

961817 is a deficient number, since it is larger than the sum of its proper divisors (1).

961817 is an equidigital number, since it uses as much as digits as its factorization.

961817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 961817 is about 980.7226927119. The cubic root of 961817 is about 98.7106813505.

The spelling of 961817 in words is "nine hundred sixty-one thousand, eight hundred seventeen".