3252331521 has 20 divisors (see below), whose sum is σ = 4961797632. Its totient is φ = 2122086168.

The previous prime is 3252331493. The next prime is 3252331529. The reversal of 3252331521 is 1251332523.

It is a happy number.

3252331521 is a `hidden beast` number, since 325 + 2 + 3 + 315 + 21 = 666.

It is not a de Polignac number, because 3252331521 - 2⁶ = 3252331457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3252331529) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 423345 + ... + 430958.

Almost surely, 2^3252331521 is an apocalyptic number.

It is an amenable number.

3252331521 is a deficient number, since it is larger than the sum of its proper divisors (1709466111).

3252331521 is an equidigital number, since it uses as much as digits as its factorization.

3252331521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854362 (or 854353 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3252331521 is about 57029.2163807289. The cubic root of 3252331521 is about 1481.6021609089.

The spelling of 3252331521 in words is "three billion, two hundred fifty-two million, three hundred thirty-one thousand, five hundred twenty-one".