265172353 has 4 divisors (see below), whose sum is σ = 265854420. Its totient is φ = 264490288.

The previous prime is 265172339. The next prime is 265172363. The reversal of 265172353 is 353271562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141895744 + 123276609 = 11912^2 + 11103^2 .

It is a cyclic number.

It is not a de Polignac number, because 265172353 - 2⁵ = 265172321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265172333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340450 + ... + 341227.

It is an arithmetic number, because the mean of its divisors is an integer number (66463605).

Almost surely, 2^265172353 is an apocalyptic number.

It is an amenable number.

265172353 is a deficient number, since it is larger than the sum of its proper divisors (682067).

265172353 is an equidigital number, since it uses as much as digits as its factorization.

265172353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682066.

The product of its digits is 37800, while the sum is 34.

The square root of 265172353 is about 16284.1135159394. The cubic root of 265172353 is about 642.4550503258.

The spelling of 265172353 in words is "two hundred sixty-five million, one hundred seventy-two thousand, three hundred fifty-three".