265545252 has 72 divisors (see below), whose sum is σ = 770515200. Its totient is φ = 75535488.

The previous prime is 265545251. The next prime is 265545271. The reversal of 265545252 is 252545562.

265545252 is a `hidden beast` number, since 2 + 6 + 554 + 52 + 52 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (265545251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58024 + ... + 62432.

It is an arithmetic number, because the mean of its divisors is an integer number (10701600).

Almost surely, 2^265545252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265545252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385257600).

265545252 is an abundant number, since it is smaller than the sum of its proper divisors (504969948).

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

265545252 is a wasteful number, since it uses less digits than its factorization.

265545252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665 (or 4660 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 265545252 is about 16295.5592723907. The cubic root of 265545252 is about 642.7560603818.

The spelling of 265545252 in words is "two hundred sixty-five million, five hundred forty-five thousand, two hundred fifty-two".