265612085 has 8 divisors (see below), whose sum is σ = 327349176. Its totient is φ = 206746560.

The previous prime is 265612069. The next prime is 265612091. The reversal of 265612085 is 580216562.

It can be written as a sum of positive squares in 4 ways, for example, as 22033636 + 243578449 = 4694^2 + 15607^2 .

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

It is not a de Polignac number, because 265612085 - 2⁴ = 265612069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 717686 + ... + 718055.

It is an arithmetic number, because the mean of its divisors is an integer number (40918647).

Almost surely, 2^265612085 is an apocalyptic number.

It is an amenable number.

265612085 is a deficient number, since it is larger than the sum of its proper divisors (61737091).

265612085 is a wasteful number, since it uses less digits than its factorization.

265612085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435783.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 265612085 is about 16297.6097940772. The cubic root of 265612085 is about 642.8099792677.

It can be divided in two parts, 2656 and 12085, that added together give a palindrome (14741).

The spelling of 265612085 in words is "two hundred sixty-five million, six hundred twelve thousand, eighty-five".