2575904647265 has 4 divisors (see below), whose sum is σ = 3091085576724. Its totient is φ = 2060723717808.

The previous prime is 2575904647247. The next prime is 2575904647321. The reversal of 2575904647265 is 5627464095752.

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 2016808980736 + 559095666529 = 1420144^2 + 747727^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575904647265 - 2⁶ = 2575904647201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2575904647198 and 2575904647207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257590464722 + ... + 257590464731.

It is an arithmetic number, because the mean of its divisors is an integer number (772771394181).

Almost surely, 2^{2575904647265} is an apocalyptic number.

It is an amenable number.

2575904647265 is a deficient number, since it is larger than the sum of its proper divisors (515180929459).

2575904647265 is an equidigital number, since it uses as much as digits as its factorization.

2575904647265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515180929458.

The product of its (nonzero) digits is 127008000, while the sum is 62.

The spelling of 2575904647265 in words is "two trillion, five hundred seventy-five billion, nine hundred four million, six hundred forty-seven thousand, two hundred sixty-five".