7081709 has 2 divisors, whose sum is σ = 7081710. Its totient is φ = 7081708.

The previous prime is 7081663. The next prime is 7081727. The reversal of 7081709 is 9071807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 3433609 = 1910^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 7081709 - 2¹² = 7077613 is a prime.

It is equal to p₄₈₁₈₄₇ and since 7081709 and 481847 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7081759) 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, 3540854 + 3540855.

It is an arithmetic number, because the mean of its divisors is an integer number (3540855).

Almost surely, 2^7081709 is an apocalyptic number.

It is an amenable number.

7081709 is a deficient number, since it is larger than the sum of its proper divisors (1).

7081709 is an equidigital number, since it uses as much as digits as its factorization.

7081709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 7081709 is about 2661.1480605182. The cubic root of 7081709 is about 192.0345442041.

The spelling of 7081709 in words is "seven million, eighty-one thousand, seven hundred nine".