265481481 has 8 divisors (see below), whose sum is σ = 354059680. Its totient is φ = 176945472.

The previous prime is 265481467. The next prime is 265481539. The reversal of 265481481 is 184184562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 265481481 - 2⁵ = 265481449 is a prime.

It is a super-2 number, since 2×265481481² = 140960833507906722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265481431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9681 + ... + 24993.

It is an arithmetic number, because the mean of its divisors is an integer number (44257460).

Almost surely, 2^265481481 is an apocalyptic number.

It is an amenable number.

265481481 is a deficient number, since it is larger than the sum of its proper divisors (88578199).

265481481 is a wasteful number, since it uses less digits than its factorization.

265481481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21095.

The product of its digits is 61440, while the sum is 39.

The square root of 265481481 is about 16293.6024561789. The cubic root of 265481481 is about 642.7046033915.

The spelling of 265481481 in words is "two hundred sixty-five million, four hundred eighty-one thousand, four hundred eighty-one".