265603325 has 24 divisors (see below), whose sum is σ = 375554088. Its totient is φ = 184596480.

The previous prime is 265603307. The next prime is 265603339. The reversal of 265603325 is 523306562.

It can be written as a sum of positive squares in 12 ways, for example, as 45941284 + 219662041 = 6778^2 + 14821^2 .

It is not a de Polignac number, because 265603325 - 2¹⁰ = 265602301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265603291 and 265603300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18512 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (15648087).

Almost surely, 2^265603325 is an apocalyptic number.

265603325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265603325 is a deficient number, since it is larger than the sum of its proper divisors (109950763).

265603325 is a wasteful number, since it uses less digits than its factorization.

265603325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48113 (or 48108 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 265603325 is about 16297.3410407956. The cubic root of 265603325 is about 642.8029124741.

Adding to 265603325 its reverse (523306562), we get a palindrome (788909887).

The spelling of 265603325 in words is "two hundred sixty-five million, six hundred three thousand, three hundred twenty-five".