8069261 has 2 divisors, whose sum is σ = 8069262. Its totient is φ = 8069260.

The previous prime is 8069231. The next prime is 8069267. The reversal of 8069261 is 1629608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7946761 + 122500 = 2819^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 8069261 - 2²² = 3874957 is a prime.

It is a super-2 number, since 2×8069261² = 130225946172242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8069267) 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, 4034630 + 4034631.

It is an arithmetic number, because the mean of its divisors is an integer number (4034631).

Almost surely, 2^8069261 is an apocalyptic number.

It is an amenable number.

8069261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8069261 is an equidigital number, since it uses as much as digits as its factorization.

8069261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8069261 is about 2840.6444691302. The cubic root of 8069261 is about 200.5755173106.

The spelling of 8069261 in words is "eight million, sixty-nine thousand, two hundred sixty-one".