6428800531 has 2 divisors, whose sum is σ = 6428800532. Its totient is φ = 6428800530.

The previous prime is 6428800523. The next prime is 6428800571. The reversal of 6428800531 is 1350088246.

It is a happy number.

6428800531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6428800531 - 2³ = 6428800523 is a prime.

It is a super-2 number, since 2×6428800531² = 82658952534771763922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6428800571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214400265 + 3214400266.

It is an arithmetic number, because the mean of its divisors is an integer number (3214400266).

Almost surely, 2^6428800531 is an apocalyptic number.

6428800531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428800531 is an equidigital number, since it uses as much as digits as its factorization.

6428800531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 6428800531 is about 80179.8012656554. The cubic root of 6428800531 is about 1859.4163709218.

Adding to 6428800531 its reverse (1350088246), we get a palindrome (7778888777).

The spelling of 6428800531 in words is "six billion, four hundred twenty-eight million, eight hundred thousand, five hundred thirty-one".