265253323305 has 128 divisors (see below), whose sum is σ = 463376941056. Its totient is φ = 129069158400.

The previous prime is 265253323303. The next prime is 265253323319. The reversal of 265253323305 is 503323352562.

It is not a de Polignac number, because 265253323305 - 2¹ = 265253323303 is a prime.

It is a super-2 number, since 2×265253323305² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (265253323303) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 544667772 + ... + 544668258.

It is an arithmetic number, because the mean of its divisors is an integer number (3620132352).

Almost surely, 2^265253323305 is an apocalyptic number.

It is an amenable number.

265253323305 is a deficient number, since it is larger than the sum of its proper divisors (198123617751).

265253323305 is a wasteful number, since it uses less digits than its factorization.

265253323305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 486000, while the sum is 39.

Adding to 265253323305 its reverse (503323352562), we get a palindrome (768576675867).

The spelling of 265253323305 in words is "two hundred sixty-five billion, two hundred fifty-three million, three hundred twenty-three thousand, three hundred five".