265075313 has 4 divisors (see below), whose sum is σ = 270076788. Its totient is φ = 260073840.

The previous prime is 265075309. The next prime is 265075319. The reversal of 265075313 is 313570562.

265075313 = 11512² + 11513².

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 132549169 + 132526144 = 11513^2 + 11512^2 .

It is a cyclic number.

It is not a de Polignac number, because 265075313 - 2² = 265075309 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 265075313.

It is not an unprimeable number, because it can be changed into a prime (265075319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500658 + ... + 2500763.

It is an arithmetic number, because the mean of its divisors is an integer number (67519197).

Almost surely, 2^265075313 is an apocalyptic number.

265075313 is the 11513-rd centered square number.

It is an amenable number.

265075313 is a deficient number, since it is larger than the sum of its proper divisors (5001475).

265075313 is an equidigital number, since it uses as much as digits as its factorization.

265075313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001474.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 265075313 is about 16281.1336521755. The cubic root of 265075313 is about 642.3766718123.

The spelling of 265075313 in words is "two hundred sixty-five million, seventy-five thousand, three hundred thirteen".