6432521241 has 4 divisors (see below), whose sum is σ = 8576694992. Its totient is φ = 4288347492.

The previous prime is 6432521141. The next prime is 6432521243. The reversal of 6432521241 is 1421252346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6432521241 - 2²⁵ = 6398966809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6432521199 and 6432521208.

It is not an unprimeable number, because it can be changed into a prime (6432521243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072086871 + ... + 1072086876.

It is an arithmetic number, because the mean of its divisors is an integer number (2144173748).

Almost surely, 2^6432521241 is an apocalyptic number.

It is an amenable number.

6432521241 is a deficient number, since it is larger than the sum of its proper divisors (2144173751).

6432521241 is a wasteful number, since it uses less digits than its factorization.

6432521241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144173750.

The product of its digits is 11520, while the sum is 30.

The square root of 6432521241 is about 80203.0001994938. Note that the first 3 decimals coincide. The cubic root of 6432521241 is about 1859.7750181687.

Adding to 6432521241 its reverse (1421252346), we get a palindrome (7853773587).

The spelling of 6432521241 in words is "six billion, four hundred thirty-two million, five hundred twenty-one thousand, two hundred forty-one".