6509313925 has 12 divisors (see below), whose sum is σ = 8074517796. Its totient is φ = 5205536000.

The previous prime is 6509313907. The next prime is 6509313959. The reversal of 6509313925 is 5293139056.

It can be written as a sum of positive squares in 6 ways, for example, as 412983684 + 6096330241 = 20322^2 + 78079^2 .

It is not a de Polignac number, because 6509313925 - 2⁵ = 6509313893 is a prime.

It is a super-3 number, since 3×6509313925³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 23547 + ... + 116503.

It is an arithmetic number, because the mean of its divisors is an integer number (672876483).

Almost surely, 2^6509313925 is an apocalyptic number.

It is an amenable number.

6509313925 is a deficient number, since it is larger than the sum of its proper divisors (1565203871).

6509313925 is a wasteful number, since it uses less digits than its factorization.

6509313925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95768 (or 95763 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 6509313925 is about 80680.3193164231. The cubic root of 6509313925 is about 1867.1465460354.

The spelling of 6509313925 in words is "six billion, five hundred nine million, three hundred thirteen thousand, nine hundred twenty-five".