265252512625 has 8 divisors (see below), whose sum is σ = 331035135912. Its totient is φ = 212202010000.

The previous prime is 265252512619. The next prime is 265252512649. The reversal of 265252512625 is 526215252562.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29461662736 + 235790849889 = 171644^2 + 485583^2 .

It is not a de Polignac number, because 265252512625 - 2⁹ = 265252512113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061009926 + ... + 1061010175.

It is an arithmetic number, because the mean of its divisors is an integer number (41379391989).

Almost surely, 2^265252512625 is an apocalyptic number.

265252512625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265252512625 is a deficient number, since it is larger than the sum of its proper divisors (65782623287).

265252512625 is an equidigital number, since it uses as much as digits as its factorization.

265252512625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122020116 (or 2122020106 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

The spelling of 265252512625 in words is "two hundred sixty-five billion, two hundred fifty-two million, five hundred twelve thousand, six hundred twenty-five".