265201313443025 has 12 divisors (see below), whose sum is σ = 328852304386332. Its totient is φ = 212159324485440.

The previous prime is 265201313443009. The next prime is 265201313443057. The reversal of 265201313443025 is 520344313102562.

It can be written as a sum of positive squares in 6 ways, for example, as 23817611148241 + 241383702294784 = 4880329^2 + 15536528^2 .

It is not a de Polignac number, because 265201313443025 - 2⁴ = 265201313443009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40018262 + ... + 46172111.

It is an arithmetic number, because the mean of its divisors is an integer number (27404358698861).

Almost surely, 2^{265201313443025} is an apocalyptic number.

265201313443025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265201313443025 is a deficient number, since it is larger than the sum of its proper divisors (63650990943307).

265201313443025 is a wasteful number, since it uses less digits than its factorization.

265201313443025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86313460 (or 86313455 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 265201313443025 its reverse (520344313102562), we get a palindrome (785545626545587).

The spelling of 265201313443025 in words is "two hundred sixty-five trillion, two hundred one billion, three hundred thirteen million, four hundred forty-three thousand, twenty-five".