265591325 has 6 divisors (see below), whose sum is σ = 329333274. Its totient is φ = 212473040.

The previous prime is 265591307. The next prime is 265591343. The reversal of 265591325 is 523195562.

It is an interprime number because it is at equal distance from previous prime (265591307) and next prime (265591343).

It can be written as a sum of positive squares in 3 ways, for example, as 5317636 + 260273689 = 2306^2 + 16133^2 .

It is not a de Polignac number, because 265591325 - 2¹⁰ = 265590301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5311802 + ... + 5311851.

It is an arithmetic number, because the mean of its divisors is an integer number (54888879).

Almost surely, 2^265591325 is an apocalyptic number.

265591325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265591325 is a deficient number, since it is larger than the sum of its proper divisors (63741949).

265591325 is a wasteful number, since it uses less digits than its factorization.

265591325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623663 (or 10623658 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 265591325 is about 16296.9728784213. The cubic root of 265591325 is about 642.7932316828.

The spelling of 265591325 in words is "two hundred sixty-five million, five hundred ninety-one thousand, three hundred twenty-five".