3261441509 has 2 divisors, whose sum is σ = 3261441510. Its totient is φ = 3261441508.

The previous prime is 3261441493. The next prime is 3261441527. The reversal of 3261441509 is 9051441623.

3261441509 is digitally balanced in base 2, 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., 3260752609 + 688900 = 57103^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261441509 - 2⁴ = 3261441493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261441709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630720754 + 1630720755.

It is an arithmetic number, because the mean of its divisors is an integer number (1630720755).

Almost surely, 2^3261441509 is an apocalyptic number.

It is an amenable number.

3261441509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261441509 is an equidigital number, since it uses as much as digits as its factorization.

3261441509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3261441509 is about 57109.0317638112. The cubic root of 3261441509 is about 1482.9842253402.

The spelling of 3261441509 in words is "three billion, two hundred sixty-one million, four hundred forty-one thousand, five hundred nine".