265235256 has 256 divisors, whose sum is σ = 896716800. Its totient is φ = 71539200.

The previous prime is 265235251. The next prime is 265235263. The reversal of 265235256 is 652532562.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 265235256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265235251) 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 63 ways as a sum of consecutive naturals, for example, 957390 + ... + 957666.

It is an arithmetic number, because the mean of its divisors is an integer number (3502800).

Almost surely, 2^265235256 is an apocalyptic number.

265235256 is a gapful number since it is divisible by the number (26) 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 265235256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448358400).

265235256 is an abundant number, since it is smaller than the sum of its proper divisors (631481544).

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

265235256 is a wasteful number, since it uses less digits than its factorization.

265235256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 337 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 265235256 is about 16286.0448237133. The cubic root of 265235256 is about 642.5058464143.

The spelling of 265235256 in words is "two hundred sixty-five million, two hundred thirty-five thousand, two hundred fifty-six".