6526045513 has 4 divisors (see below), whose sum is σ = 7028049028. Its totient is φ = 6024042000.

The previous prime is 6526045499. The next prime is 6526045517. The reversal of 6526045513 is 3155406256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3995251264 + 2530794249 = 63208^2 + 50307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6526045513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6526045517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251001738 + ... + 251001763.

It is an arithmetic number, because the mean of its divisors is an integer number (1757012257).

Almost surely, 2^6526045513 is an apocalyptic number.

It is an amenable number.

6526045513 is a deficient number, since it is larger than the sum of its proper divisors (502003515).

6526045513 is a wasteful number, since it uses less digits than its factorization.

6526045513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502003514.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 6526045513 is about 80783.9434108041. The cubic root of 6526045513 is about 1868.7449529988.

The spelling of 6526045513 in words is "six billion, five hundred twenty-six million, forty-five thousand, five hundred thirteen".