265314287517841 has 3 divisors (see below), whose sum is σ = 265314303806313. Its totient is φ = 265314271229370.

The previous prime is 265314287517833. The next prime is 265314287517847. The reversal of 265314287517841 is 148715782413562.

The square root of 265314287517841 is 16288471.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 265314287517841 - 2³ = 265314287517833 is a prime.

It is a super-2 number, since 2×265314287517841² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265314287517847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8144236 + ... + 24432706.

It is an arithmetic number, because the mean of its divisors is an integer number (88438101268771).

Almost surely, 2^{265314287517841} is an apocalyptic number.

265314287517841 is the 16288471-st square number.

265314287517841 is the 8144236-th centered octagonal number.

It is an amenable number.

265314287517841 is a deficient number, since it is larger than the sum of its proper divisors (16288472).

265314287517841 is an frugal number, since it uses more digits than its factorization.

265314287517841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32576942 (or 16288471 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 64.

The spelling of 265314287517841 in words is "two hundred sixty-five trillion, three hundred fourteen billion, two hundred eighty-seven million, five hundred seventeen thousand, eight hundred forty-one".