2061325709 has 2 divisors, whose sum is σ = 2061325710. Its totient is φ = 2061325708.

The previous prime is 2061325681. The next prime is 2061325729. The reversal of 2061325709 is 9075231602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321322500 + 740003209 = 36350^2 + 27203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061325709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061325729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030662854 + 1030662855.

It is an arithmetic number, because the mean of its divisors is an integer number (1030662855).

Almost surely, 2^2061325709 is an apocalyptic number.

It is an amenable number.

2061325709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061325709 is an equidigital number, since it uses as much as digits as its factorization.

2061325709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2061325709 is about 45401.8249523078. The cubic root of 2061325709 is about 1272.6692179269.

The spelling of 2061325709 in words is "two billion, sixty-one million, three hundred twenty-five thousand, seven hundred nine".