265643483 has 8 divisors (see below), whose sum is σ = 310052352. Its totient is φ = 222849576.

The previous prime is 265643467. The next prime is 265643501. The reversal of 265643483 is 384346562.

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

It is a cyclic number.

It is not a de Polignac number, because 265643483 - 2⁴ = 265643467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265643483.

It is not an unprimeable number, because it can be changed into a prime (265603483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403385 + ... + 404042.

It is an arithmetic number, because the mean of its divisors is an integer number (38756544).

Almost surely, 2^265643483 is an apocalyptic number.

265643483 is a deficient number, since it is larger than the sum of its proper divisors (44408869).

265643483 is an equidigital number, since it uses as much as digits as its factorization.

265643483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807481.

The product of its digits is 414720, while the sum is 41.

The square root of 265643483 is about 16298.5730356986. The cubic root of 265643483 is about 642.8353071219.

It can be divided in two parts, 2656434 and 83, that multiplied together give a palindrome (220484022).

The spelling of 265643483 in words is "two hundred sixty-five million, six hundred forty-three thousand, four hundred eighty-three".