6512501265 has 8 divisors (see below), whose sum is σ = 10420002048. Its totient is φ = 3473334000.

The previous prime is 6512501257. The next prime is 6512501269. The reversal of 6512501265 is 5621052156.

6512501265 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6512501265 - 2³ = 6512501257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6512501269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217083361 + ... + 217083390.

It is an arithmetic number, because the mean of its divisors is an integer number (1302500256).

Almost surely, 2^6512501265 is an apocalyptic number.

It is an amenable number.

6512501265 is a deficient number, since it is larger than the sum of its proper divisors (3907500783).

6512501265 is a wasteful number, since it uses less digits than its factorization.

6512501265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434166759.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 6512501265 is about 80700.0697955089. The cubic root of 6512501265 is about 1867.4512509474.

The spelling of 6512501265 in words is "six billion, five hundred twelve million, five hundred one thousand, two hundred sixty-five".