6529917253 has 2 divisors, whose sum is σ = 6529917254. Its totient is φ = 6529917252.

The previous prime is 6529917187. The next prime is 6529917301. The reversal of 6529917253 is 3527199256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5878748929 + 651168324 = 76673^2 + 25518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6529917253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6529917197 and 6529917206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6529912253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264958626 + 3264958627.

It is an arithmetic number, because the mean of its divisors is an integer number (3264958627).

Almost surely, 2^6529917253 is an apocalyptic number.

It is an amenable number.

6529917253 is a deficient number, since it is larger than the sum of its proper divisors (1).

6529917253 is an equidigital number, since it uses as much as digits as its factorization.

6529917253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 6529917253 is about 80807.9034067832. The cubic root of 6529917253 is about 1869.1144398599.

The spelling of 6529917253 in words is "six billion, five hundred twenty-nine million, nine hundred seventeen thousand, two hundred fifty-three".