6752533421 has 4 divisors (see below), whose sum is σ = 6866983200. Its totient is φ = 6638083644.

The previous prime is 6752533379. The next prime is 6752533439. The reversal of 6752533421 is 1243352576.

6752533421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 6752533421 - 2¹⁸ = 6752271277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6752533321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57224801 + ... + 57224918.

It is an arithmetic number, because the mean of its divisors is an integer number (1716745800).

Almost surely, 2^6752533421 is an apocalyptic number.

It is an amenable number.

6752533421 is a deficient number, since it is larger than the sum of its proper divisors (114449779).

6752533421 is a wasteful number, since it uses less digits than its factorization.

6752533421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114449778.

The product of its digits is 151200, while the sum is 38.

The square root of 6752533421 is about 82173.8000885927. The cubic root of 6752533421 is about 1890.1179830792.

Adding to 6752533421 its reverse (1243352576), we get a palindrome (7995885997).

The spelling of 6752533421 in words is "six billion, seven hundred fifty-two million, five hundred thirty-three thousand, four hundred twenty-one".