265434312 has 192 divisors, whose sum is σ = 804384000. Its totient is φ = 72483840.

The previous prime is 265434259. The next prime is 265434319. The reversal of 265434312 is 213434562.

265434312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 265434312.

It is not an unprimeable number, because it can be changed into a prime (265434319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2982364 + ... + 2982452.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^265434312 is an apocalyptic number.

265434312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265434312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402192000).

265434312 is an abundant number, since it is smaller than the sum of its proper divisors (538949688).

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

265434312 is a wasteful number, since it uses less digits than its factorization.

265434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 197 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 265434312 is about 16292.1549219248. The cubic root of 265434312 is about 642.6665372975. Note that the first 3 decimals are identical.

Adding to 265434312 its reverse (213434562), we get a palindrome (478868874).

The spelling of 265434312 in words is "two hundred sixty-five million, four hundred thirty-four thousand, three hundred twelve".