3252756661 has 24 divisors (see below), whose sum is σ = 4345068960. Its totient is φ = 2401207200.

The previous prime is 3252756643. The next prime is 3252756673. The reversal of 3252756661 is 1666572523.

It is not a de Polignac number, because 3252756661 - 2¹⁵ = 3252723893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252756631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148570 + ... + 169051.

It is an arithmetic number, because the mean of its divisors is an integer number (181044540).

Almost surely, 2^3252756661 is an apocalyptic number.

It is an amenable number.

3252756661 is a deficient number, since it is larger than the sum of its proper divisors (1092312299).

3252756661 is a wasteful number, since it uses less digits than its factorization.

3252756661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317665 (or 317658 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 3252756661 is about 57032.9436466329. The cubic root of 3252756661 is about 1481.6667157157. Note that the first 3 decimals are identical.

The spelling of 3252756661 in words is "three billion, two hundred fifty-two million, seven hundred fifty-six thousand, six hundred sixty-one".