265312230 has 48 divisors (see below), whose sum is σ = 652782672. Its totient is φ = 69011200.

The previous prime is 265312141. The next prime is 265312247. The reversal of 265312230 is 32213562.

It is a self number, because there is not a number n which added to its sum of digits gives 265312230.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 47800 + ... + 53060.

It is an arithmetic number, because the mean of its divisors is an integer number (13599639).

Almost surely, 2^265312230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265312230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326391336).

265312230 is an abundant number, since it is smaller than the sum of its proper divisors (387470442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265312230 is a wasteful number, since it uses less digits than its factorization.

265312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 265312230 is about 16288.4078411611. The cubic root of 265312230 is about 642.5679943383.

Adding to 265312230 its reverse (32213562), we get a palindrome (297525792).

The spelling of 265312230 in words is "two hundred sixty-five million, three hundred twelve thousand, two hundred thirty".