3259891601 has 2 divisors, whose sum is σ = 3259891602. Its totient is φ = 3259891600.

The previous prime is 3259891597. The next prime is 3259891681. The reversal of 3259891601 is 1061989523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3226240000 + 33651601 = 56800^2 + 5801^2 .

It is a cyclic number.

It is not a de Polignac number, because 3259891601 - 2² = 3259891597 is a prime.

It is not a weakly prime, because it can be changed into another prime (3259891681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629945800 + 1629945801.

It is an arithmetic number, because the mean of its divisors is an integer number (1629945801).

Almost surely, 2^3259891601 is an apocalyptic number.

It is an amenable number.

3259891601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3259891601 is an equidigital number, since it uses as much as digits as its factorization.

3259891601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 3259891601 is about 57095.4604237500. The cubic root of 3259891601 is about 1482.7492726563.

The spelling of 3259891601 in words is "three billion, two hundred fifty-nine million, eight hundred ninety-one thousand, six hundred one".