6509008762525 has 12 divisors (see below), whose sum is σ = 8105811091092. Its totient is φ = 5184858477440.

The previous prime is 6509008762519. The next prime is 6509008762651. The reversal of 6509008762525 is 5252678009056.

It can be written as a sum of positive squares in 6 ways, for example, as 183673102041 + 6325335660484 = 428571^2 + 2515022^2 .

It is not a de Polignac number, because 6509008762525 - 2³⁵ = 6474649024157 is a prime.

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 (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558707374 + ... + 558719023.

It is an arithmetic number, because the mean of its divisors is an integer number (675484257591).

Almost surely, 2^{6509008762525} is an apocalyptic number.

It is an amenable number.

6509008762525 is a deficient number, since it is larger than the sum of its proper divisors (1596802328567).

6509008762525 is a wasteful number, since it uses less digits than its factorization.

6509008762525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117426640 (or 1117426635 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 6509008762525 in words is "six trillion, five hundred nine billion, eight million, seven hundred sixty-two thousand, five hundred twenty-five".