3243355525 has 6 divisors (see below), whose sum is σ = 4021760882. Its totient is φ = 2594684400.

The previous prime is 3243355487. The next prime is 3243355547. The reversal of 3243355525 is 5255533423.

It can be written as a sum of positive squares in 3 ways, for example, as 725925249 + 2517430276 = 26943^2 + 50174^2 .

It is not a de Polignac number, because 3243355525 - 2¹³ = 3243347333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64867086 + ... + 64867135.

Almost surely, 2^3243355525 is an apocalyptic number.

It is an amenable number.

3243355525 is a deficient number, since it is larger than the sum of its proper divisors (778405357).

3243355525 is a wasteful number, since it uses less digits than its factorization.

3243355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129734231 (or 129734226 counting only the distinct ones).

The product of its digits is 270000, while the sum is 37.

The square root of 3243355525 is about 56950.4655380446. The cubic root of 3243355525 is about 1480.2378977513.

Adding to 3243355525 its reverse (5255533423), we get a palindrome (8498888948).

The spelling of 3243355525 in words is "three billion, two hundred forty-three million, three hundred fifty-five thousand, five hundred twenty-five".