6530533775 has 6 divisors (see below), whose sum is σ = 8097861912. Its totient is φ = 5224427000.

The previous prime is 6530533739. The next prime is 6530533783. The reversal of 6530533775 is 5773350356.

It is a happy number.

It is not a de Polignac number, because 6530533775 - 2¹⁰ = 6530532751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130610651 + ... + 130610700.

It is an arithmetic number, because the mean of its divisors is an integer number (1349643652).

Almost surely, 2^6530533775 is an apocalyptic number.

6530533775 is a deficient number, since it is larger than the sum of its proper divisors (1567328137).

6530533775 is a wasteful number, since it uses less digits than its factorization.

6530533775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261221361 (or 261221356 counting only the distinct ones).

The product of its (nonzero) digits is 992250, while the sum is 44.

The square root of 6530533775 is about 80811.7180549950. The cubic root of 6530533775 is about 1869.1732621422.

The spelling of 6530533775 in words is "six billion, five hundred thirty million, five hundred thirty-three thousand, seven hundred seventy-five".