6531046530 has 32 divisors (see below), whose sum is σ = 15761124288. Its totient is φ = 1731988800.

The previous prime is 6531046517. The next prime is 6531046547. The reversal of 6531046530 is 356401356.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6531046491 and 6531046500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595956 + ... + 606815.

It is an arithmetic number, because the mean of its divisors is an integer number (492535134).

Almost surely, 2^6531046530 is an apocalyptic number.

6531046530 is an abundant number, since it is smaller than the sum of its proper divisors (9230077758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6531046530 is a wasteful number, since it uses less digits than its factorization.

6531046530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202962.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 6531046530 is about 80814.8905214874. The cubic root of 6531046530 is about 1869.2221812090. Note that the first 3 decimals are identical.

Adding to 6531046530 its reverse (356401356), we get a palindrome (6887447886).

The spelling of 6531046530 in words is "six billion, five hundred thirty-one million, forty-six thousand, five hundred thirty".