265742325 has 72 divisors (see below), whose sum is σ = 494519688. Its totient is φ = 136304640.

The previous prime is 265742297. The next prime is 265742339. The reversal of 265742325 is 523247562.

265742325 is a `hidden beast` number, since 265 + 74 + 2 + 325 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 44595684 + 221146641 = 6678^2 + 14871^2 .

It is not a de Polignac number, because 265742325 - 2⁹ = 265741813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265742325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1140409 + ... + 1140641.

It is an arithmetic number, because the mean of its divisors is an integer number (6868329).

Almost surely, 2^265742325 is an apocalyptic number.

265742325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265742325 is a deficient number, since it is larger than the sum of its proper divisors (228777363).

265742325 is a wasteful number, since it uses less digits than its factorization.

265742325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 415 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 265742325 is about 16301.6049823323. The cubic root of 265742325 is about 642.9150270630.

Adding to 265742325 its reverse (523247562), we get a palindrome (788989887).

The spelling of 265742325 in words is "two hundred sixty-five million, seven hundred forty-two thousand, three hundred twenty-five".