3243550357 has 2 divisors, whose sum is σ = 3243550358. Its totient is φ = 3243550356.

The previous prime is 3243550301. The next prime is 3243550379. The reversal of 3243550357 is 7530553423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3243416401 + 133956 = 56951^2 + 366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243550357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243550957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621775178 + 1621775179.

It is an arithmetic number, because the mean of its divisors is an integer number (1621775179).

Almost surely, 2^3243550357 is an apocalyptic number.

It is an amenable number.

3243550357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243550357 is an equidigital number, since it uses as much as digits as its factorization.

3243550357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 37.

The square root of 3243550357 is about 56952.1760514908. The cubic root of 3243550357 is about 1480.2675370074.

The spelling of 3243550357 in words is "three billion, two hundred forty-three million, five hundred fifty thousand, three hundred fifty-seven".