961351361 has 2 divisors, whose sum is σ = 961351362. Its totient is φ = 961351360.

The previous prime is 961351351. The next prime is 961351367. The reversal of 961351361 is 163153169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903363136 + 57988225 = 30056^2 + 7615^2 .

It is an emirp because it is prime and its reverse (163153169) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961351361 is a prime.

It is not a weakly prime, because it can be changed into another prime (961351367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480675680 + 480675681.

It is an arithmetic number, because the mean of its divisors is an integer number (480675681).

Almost surely, 2^961351361 is an apocalyptic number.

It is an amenable number.

961351361 is a deficient number, since it is larger than the sum of its proper divisors (1).

961351361 is an equidigital number, since it uses as much as digits as its factorization.

961351361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 961351361 is about 31005.6665949952. Note that the first 3 decimals coincide. The cubic root of 961351361 is about 986.9474936542.

The spelling of 961351361 in words is "nine hundred sixty-one million, three hundred fifty-one thousand, three hundred sixty-one".