6553261061 has 2 divisors, whose sum is σ = 6553261062. Its totient is φ = 6553261060.

The previous prime is 6553261037. The next prime is 6553261111. The reversal of 6553261061 is 1601623556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6545780836 + 7480225 = 80906^2 + 2735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6553261061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6553261661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276630530 + 3276630531.

It is an arithmetic number, because the mean of its divisors is an integer number (3276630531).

Almost surely, 2^6553261061 is an apocalyptic number.

It is an amenable number.

6553261061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553261061 is an equidigital number, since it uses as much as digits as its factorization.

6553261061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6553261061 is about 80952.2146763138. The cubic root of 6553261061 is about 1871.3390907136.

The spelling of 6553261061 in words is "six billion, five hundred fifty-three million, two hundred sixty-one thousand, sixty-one".