265765625 has 28 divisors (see below), whose sum is σ = 338198796. Its totient is φ = 208800000.

The previous prime is 265765609. The next prime is 265765627. The reversal of 265765625 is 526567562.

It can be written as a sum of positive squares in 14 ways, for example, as 192987664 + 72777961 = 13892^2 + 8531^2 .

It is not a de Polignac number, because 265765625 - 2⁴ = 265765609 is a prime.

It is a Duffinian number.

Its product of digits (756000) is a multiple of the sum of its prime factors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265765627) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1140509 + ... + 1140741.

Almost surely, 2^265765625 is an apocalyptic number.

265765625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265765625 is a deficient number, since it is larger than the sum of its proper divisors (72433171).

265765625 is an frugal number, since it uses more digits than its factorization.

265765625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 311 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 265765625 is about 16302.3196202258. The cubic root of 265765625 is about 642.9338165455.

The spelling of 265765625 in words is "two hundred sixty-five million, seven hundred sixty-five thousand, six hundred twenty-five".