265235131 has 16 divisors (see below), whose sum is σ = 316535040. Its totient is φ = 217435680.

The previous prime is 265235119. The next prime is 265235141. The reversal of 265235131 is 131532562.

It is a de Polignac number, because none of the positive numbers 2^k-265235131 is a prime.

It is a super-2 number, since 2×265235131² = 140699349433174322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265235131.

It is not an unprimeable number, because it can be changed into a prime (265235141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15616 + ... + 27826.

It is an arithmetic number, because the mean of its divisors is an integer number (19783440).

Almost surely, 2^265235131 is an apocalyptic number.

265235131 is a deficient number, since it is larger than the sum of its proper divisors (51299909).

265235131 is a wasteful number, since it uses less digits than its factorization.

265235131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354.

The product of its digits is 5400, while the sum is 28.

The square root of 265235131 is about 16286.0409860715. The cubic root of 265235131 is about 642.5057454810.

Adding to 265235131 its reverse (131532562), we get a palindrome (396767693).

The spelling of 265235131 in words is "two hundred sixty-five million, two hundred thirty-five thousand, one hundred thirty-one".