265421112 has 128 divisors (see below), whose sum is σ = 751196160. Its totient is φ = 77454720.

The previous prime is 265421087. The next prime is 265421159. The reversal of 265421112 is 211124562.

265421112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1169143 + ... + 1169369.

It is an arithmetic number, because the mean of its divisors is an integer number (5868720).

Almost surely, 2^265421112 is an apocalyptic number.

265421112 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 265421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375598080).

265421112 is an abundant number, since it is smaller than the sum of its proper divisors (485775048).

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

265421112 is a wasteful number, since it uses less digits than its factorization.

265421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 265421112 is about 16291.7498139396. The cubic root of 265421112 is about 642.6558838909.

Adding to 265421112 its reverse (211124562), we get a palindrome (476545674).

The spelling of 265421112 in words is "two hundred sixty-five million, four hundred twenty-one thousand, one hundred twelve".