8567261 has 2 divisors, whose sum is σ = 8567262. Its totient is φ = 8567260.

The previous prime is 8567257. The next prime is 8567281. The reversal of 8567261 is 1627658.

8567261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 244036 = 2885^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 8567261 - 2² = 8567257 is a prime.

It is a super-2 number, since 2×8567261² = 146795922084242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8567281) 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, 4283630 + 4283631.

It is an arithmetic number, because the mean of its divisors is an integer number (4283631).

Almost surely, 2^8567261 is an apocalyptic number.

It is an amenable number.

8567261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8567261 is an equidigital number, since it uses as much as digits as its factorization.

8567261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 8567261 is about 2926.9883839879. The cubic root of 8567261 is about 204.6196477040.

The spelling of 8567261 in words is "eight million, five hundred sixty-seven thousand, two hundred sixty-one".