265507216 has 120 divisors (see below), whose sum is σ = 614405120. Its totient is φ = 110170368.

The previous prime is 265507213. The next prime is 265507217. The reversal of 265507216 is 612705562.

265507216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265507211) 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, 2090545 + ... + 2090671.

Almost surely, 2^265507216 is an apocalyptic number.

265507216 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 265507216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307202560).

265507216 is an abundant number, since it is smaller than the sum of its proper divisors (348897904).

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

265507216 is a wasteful number, since it uses less digits than its factorization.

265507216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 265507216 is about 16294.3921641772. The cubic root of 265507216 is about 642.7253700234.

The spelling of 265507216 in words is "two hundred sixty-five million, five hundred seven thousand, two hundred sixteen".