265604041 has 8 divisors (see below), whose sum is σ = 270880200. Its totient is φ = 260337792.

The previous prime is 265604029. The next prime is 265604051. The reversal of 265604041 is 140406562.

It can be written as a sum of positive squares in 4 ways, for example, as 53290000 + 212314041 = 7300^2 + 14571^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 265604041 - 2⁷ = 265603913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265604051) by changing a digit.

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, 75285 + ... + 78733.

It is an arithmetic number, because the mean of its divisors is an integer number (33860025).

Almost surely, 2^265604041 is an apocalyptic number.

It is an amenable number.

265604041 is a deficient number, since it is larger than the sum of its proper divisors (5276159).

265604041 is a wasteful number, since it uses less digits than its factorization.

265604041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 265604041 is about 16297.3630075543. The cubic root of 265604041 is about 642.8034900855.

The spelling of 265604041 in words is "two hundred sixty-five million, six hundred four thousand, forty-one".