3243666525 has 48 divisors (see below), whose sum is σ = 5865309120. Its totient is φ = 1568678400.

The previous prime is 3243666467. The next prime is 3243666527. The reversal of 3243666525 is 5256663423.

3243666525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3243666525 - 2¹⁹ = 3243142237 is a prime.

It is a super-3 number, since 3×3243666525³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243666527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332619 + ... + 342231.

It is an arithmetic number, because the mean of its divisors is an integer number (122193940).

Almost surely, 2^3243666525 is an apocalyptic number.

It is an amenable number.

3243666525 is a deficient number, since it is larger than the sum of its proper divisors (2621642595).

3243666525 is a wasteful number, since it uses less digits than its factorization.

3243666525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046 (or 10041 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The square root of 3243666525 is about 56953.1959155937. The cubic root of 3243666525 is about 1480.2852087608.

It can be divided in two parts, 324366 and 6525, that added together give a triangular number (330891 = T₈₁₃).

The spelling of 3243666525 in words is "three billion, two hundred forty-three million, six hundred sixty-six thousand, five hundred twenty-five".