6520134053 has 2 divisors, whose sum is σ = 6520134054. Its totient is φ = 6520134052.

The previous prime is 6520133953. The next prime is 6520134067. The reversal of 6520134053 is 3504310256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5330022049 + 1190112004 = 73007^2 + 34498^2 .

It is a cyclic number.

It is not a de Polignac number, because 6520134053 - 2³⁰ = 5446392229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6520134353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260067026 + 3260067027.

It is an arithmetic number, because the mean of its divisors is an integer number (3260067027).

Almost surely, 2^6520134053 is an apocalyptic number.

It is an amenable number.

6520134053 is a deficient number, since it is larger than the sum of its proper divisors (1).

6520134053 is an equidigital number, since it uses as much as digits as its factorization.

6520134053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 6520134053 is about 80747.3470338190. The cubic root of 6520134053 is about 1868.1805301155.

The spelling of 6520134053 in words is "six billion, five hundred twenty million, one hundred thirty-four thousand, fifty-three".