8961311 has 2 divisors, whose sum is σ = 8961312. Its totient is φ = 8961310.

The previous prime is 8961301. The next prime is 8961341. The reversal of 8961311 is 1131698.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8961311 - 2¹⁴ = 8944927 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8961301) 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, 4480655 + 4480656.

It is an arithmetic number, because the mean of its divisors is an integer number (4480656).

Almost surely, 2^8961311 is an apocalyptic number.

8961311 is a deficient number, since it is larger than the sum of its proper divisors (1).

8961311 is an equidigital number, since it uses as much as digits as its factorization.

8961311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 8961311 is about 2993.5448885894. The cubic root of 8961311 is about 207.7098935797.

The spelling of 8961311 in words is "eight million, nine hundred sixty-one thousand, three hundred eleven".