265263216 has 40 divisors (see below), whose sum is σ = 701205120. Its totient is φ = 86364096.

The previous prime is 265263211. The next prime is 265263227. The reversal of 265263216 is 612362562.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265263211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62196 + ... + 66323.

It is an arithmetic number, because the mean of its divisors is an integer number (17530128).

Almost surely, 2^265263216 is an apocalyptic number.

It is an amenable number.

265263216 is an abundant number, since it is smaller than the sum of its proper divisors (435941904).

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

265263216 is a wasteful number, since it uses less digits than its factorization.

265263216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128573 (or 128567 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 265263216 is about 16286.9032047225. The cubic root of 265263216 is about 642.5284223877.

The spelling of 265263216 in words is "two hundred sixty-five million, two hundred sixty-three thousand, two hundred sixteen".