6530211601 has 2 divisors, whose sum is σ = 6530211602. Its totient is φ = 6530211600.

The previous prime is 6530211587. The next prime is 6530211637. The reversal of 6530211601 is 1061120356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4293394576 + 2236817025 = 65524^2 + 47295^2 .

It is a cyclic number.

It is not a de Polignac number, because 6530211601 - 2⁹ = 6530211089 is a prime.

It is not a weakly prime, because it can be changed into another prime (6530211671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265105800 + 3265105801.

It is an arithmetic number, because the mean of its divisors is an integer number (3265105801).

Almost surely, 2^6530211601 is an apocalyptic number.

It is an amenable number.

6530211601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530211601 is an equidigital number, since it uses as much as digits as its factorization.

6530211601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6530211601 is about 80809.7246685076. The cubic root of 6530211601 is about 1869.1425240254.

Adding to 6530211601 its reverse (1061120356), we get a palindrome (7591331957).

The spelling of 6530211601 in words is "six billion, five hundred thirty million, two hundred eleven thousand, six hundred one".