3205140259 has 2 divisors, whose sum is σ = 3205140260. Its totient is φ = 3205140258.

The previous prime is 3205140223. The next prime is 3205140299. The reversal of 3205140259 is 9520415023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3205140259 - 2⁹ = 3205139747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3205140259.

It is not a weakly prime, because it can be changed into another prime (3205140209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602570129 + 1602570130.

It is an arithmetic number, because the mean of its divisors is an integer number (1602570130).

Almost surely, 2^3205140259 is an apocalyptic number.

3205140259 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205140259 is an equidigital number, since it uses as much as digits as its factorization.

3205140259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 3205140259 is about 56613.9581640429. The cubic root of 3205140259 is about 1474.4012138510.

The spelling of 3205140259 in words is "three billion, two hundred five million, one hundred forty thousand, two hundred fifty-nine".