265065265 has 8 divisors (see below), whose sum is σ = 318193128. Its totient is φ = 211975680.

The previous prime is 265065253. The next prime is 265065277. The reversal of 265065265 is 562560562.

It is an interprime number because it is at equal distance from previous prime (265065253) and next prime (265065277).

It can be written as a sum of positive squares in 4 ways, for example, as 60031504 + 205033761 = 7748^2 + 14319^2 .

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

It is not a de Polignac number, because 265065265 - 2⁵ = 265065233 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8919 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (39774141).

Almost surely, 2^265065265 is an apocalyptic number.

It is an amenable number.

265065265 is a deficient number, since it is larger than the sum of its proper divisors (53127863).

265065265 is a wasteful number, since it uses less digits than its factorization.

265065265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 265065265 is about 16280.8250712303. The cubic root of 265065265 is about 642.3685550218.

The spelling of 265065265 in words is "two hundred sixty-five million, sixty-five thousand, two hundred sixty-five".