265130233 has 4 divisors (see below), whose sum is σ = 268762228. Its totient is φ = 261498240.

The previous prime is 265130219. The next prime is 265130251. The reversal of 265130233 is 332031562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174556944 + 90573289 = 13212^2 + 9517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265130233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265130198 and 265130207.

It is not an unprimeable number, because it can be changed into a prime (265130213) 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 3 ways as a sum of consecutive naturals, for example, 1815888 + ... + 1816033.

It is an arithmetic number, because the mean of its divisors is an integer number (67190557).

Almost surely, 2^265130233 is an apocalyptic number.

It is an amenable number.

265130233 is a deficient number, since it is larger than the sum of its proper divisors (3631995).

265130233 is an equidigital number, since it uses as much as digits as its factorization.

265130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631994.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 265130233 is about 16282.8201795635. The cubic root of 265130233 is about 642.4210326522.

Adding to 265130233 its reverse (332031562), we get a palindrome (597161795).

The spelling of 265130233 in words is "two hundred sixty-five million, one hundred thirty thousand, two hundred thirty-three".