3205152449 has 2 divisors, whose sum is σ = 3205152450. Its totient is φ = 3205152448.

The previous prime is 3205152439. The next prime is 3205152479. The reversal of 3205152449 is 9442515023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1778730625 + 1426421824 = 42175^2 + 37768^2 .

It is an emirp because it is prime and its reverse (9442515023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3205152449 is a prime.

It is not a weakly prime, because it can be changed into another prime (3205152439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602576224 + 1602576225.

It is an arithmetic number, because the mean of its divisors is an integer number (1602576225).

Almost surely, 2^3205152449 is an apocalyptic number.

It is an amenable number.

3205152449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205152449 is an equidigital number, since it uses as much as digits as its factorization.

3205152449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 3205152449 is about 56614.0658229031. The cubic root of 3205152449 is about 1474.4030830285.

The spelling of 3205152449 in words is "three billion, two hundred five million, one hundred fifty-two thousand, four hundred forty-nine".