6513461245 has 32 divisors (see below), whose sum is σ = 8011029600. Its totient is φ = 5083054080.

The previous prime is 6513461191. The next prime is 6513461303. The reversal of 6513461245 is 5421643156.

It can be written as a sum of positive squares in 16 ways, for example, as 1940050116 + 4573411129 = 44046^2 + 67627^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6513461245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12501585 + ... + 12502105.

It is an arithmetic number, because the mean of its divisors is an integer number (250344675).

Almost surely, 2^6513461245 is an apocalyptic number.

It is an amenable number.

6513461245 is a deficient number, since it is larger than the sum of its proper divisors (1497568355).

6513461245 is a wasteful number, since it uses less digits than its factorization.

6513461245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its digits is 86400, while the sum is 37.

The square root of 6513461245 is about 80706.0174026695. The cubic root of 6513461245 is about 1867.5430041106.

The spelling of 6513461245 in words is "six billion, five hundred thirteen million, four hundred sixty-one thousand, two hundred forty-five".