265404113 has 16 divisors (see below), whose sum is σ = 296626176. Its totient is φ = 235811520.

The previous prime is 265404091. The next prime is 265404149. The reversal of 265404113 is 311404562.

It is a cyclic number.

It is not a de Polignac number, because 265404113 - 2²⁶ = 198295249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265404163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77720 + ... + 81062.

It is an arithmetic number, because the mean of its divisors is an integer number (18539136).

Almost surely, 2^265404113 is an apocalyptic number.

It is an amenable number.

265404113 is a deficient number, since it is larger than the sum of its proper divisors (31222063).

265404113 is a wasteful number, since it uses less digits than its factorization.

265404113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 265404113 is about 16291.2280998088. The cubic root of 265404113 is about 642.6421638814.

Adding to 265404113 its reverse (311404562), we get a palindrome (576808675).

The spelling of 265404113 in words is "two hundred sixty-five million, four hundred four thousand, one hundred thirteen".