8263961 has 2 divisors, whose sum is σ = 8263962. Its totient is φ = 8263960.

The previous prime is 8263951. The next prime is 8263973. The reversal of 8263961 is 1693628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 3667225 = 2144^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 8263961 - 2⁶ = 8263897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8263901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4131980 + 4131981.

It is an arithmetic number, because the mean of its divisors is an integer number (4131981).

Almost surely, 2^8263961 is an apocalyptic number.

It is an amenable number.

8263961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8263961 is an equidigital number, since it uses as much as digits as its factorization.

8263961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 8263961 is about 2874.7105941294. The cubic root of 8263961 is about 202.1759160948.

The spelling of 8263961 in words is "eight million, two hundred sixty-three thousand, nine hundred sixty-one".