3242745761 has 2 divisors, whose sum is σ = 3242745762. Its totient is φ = 3242745760.

The previous prime is 3242745743. The next prime is 3242745791. The reversal of 3242745761 is 1675472423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1737305761 + 1505440000 = 41681^2 + 38800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242745761 - 2¹⁰ = 3242744737 is a prime.

It is not a weakly prime, because it can be changed into another prime (3242745791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621372880 + 1621372881.

It is an arithmetic number, because the mean of its divisors is an integer number (1621372881).

Almost surely, 2^3242745761 is an apocalyptic number.

It is an amenable number.

3242745761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3242745761 is an equidigital number, since it uses as much as digits as its factorization.

3242745761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 3242745761 is about 56945.1118270919. Note that the first 3 decimals coincide. The cubic root of 3242745761 is about 1480.1451283602.

The spelling of 3242745761 in words is "three billion, two hundred forty-two million, seven hundred forty-five thousand, seven hundred sixty-one".