8261339 has 2 divisors, whose sum is σ = 8261340. Its totient is φ = 8261338.

The previous prime is 8261327. The next prime is 8261353. The reversal of 8261339 is 9331628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8261339 - 2¹² = 8257243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8261359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130669 + 4130670.

It is an arithmetic number, because the mean of its divisors is an integer number (4130670).

Almost surely, 2^8261339 is an apocalyptic number.

8261339 is a deficient number, since it is larger than the sum of its proper divisors (1).

8261339 is an equidigital number, since it uses as much as digits as its factorization.

8261339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 8261339 is about 2874.2545120431. The cubic root of 8261339 is about 202.1545316228.

The spelling of 8261339 in words is "eight million, two hundred sixty-one thousand, three hundred thirty-nine".