3240043525 has 6 divisors (see below), whose sum is σ = 4017654002. Its totient is φ = 2592034800.

The previous prime is 3240043423. The next prime is 3240043577. The reversal of 3240043525 is 5253400423.

It can be written as a sum of positive squares in 3 ways, for example, as 836887041 + 2403156484 = 28929^2 + 49022^2 .

It is not a de Polignac number, because 3240043525 - 2⁷ = 3240043397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3240043493 and 3240043502.

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, 64800846 + ... + 64800895.

Almost surely, 2^3240043525 is an apocalyptic number.

It is an amenable number.

3240043525 is a deficient number, since it is larger than the sum of its proper divisors (777610477).

3240043525 is a wasteful number, since it uses less digits than its factorization.

3240043525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129601751 (or 129601746 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 3240043525 is about 56921.3802099000. The cubic root of 3240043525 is about 1479.7338706106.

Adding to 3240043525 its reverse (5253400423), we get a palindrome (8493443948).

The spelling of 3240043525 in words is "three billion, two hundred forty million, forty-three thousand, five hundred twenty-five".