3257533321265 has 32 divisors (see below), whose sum is σ = 3975303661056. Its totient is φ = 2562254622720.

The previous prime is 3257533321253. The next prime is 3257533321297. The reversal of 3257533321265 is 5621233357523.

3257533321265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3257533321265 - 2⁶ = 3257533321201 is a prime.

It is a super-2 number, since 2×3257533321265² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50028680 + ... + 50093750.

It is an arithmetic number, because the mean of its divisors is an integer number (124228239408).

Almost surely, 2^{3257533321265} is an apocalyptic number.

It is an amenable number.

3257533321265 is a deficient number, since it is larger than the sum of its proper divisors (717770339791).

3257533321265 is a wasteful number, since it uses less digits than its factorization.

3257533321265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65849.

The product of its digits is 3402000, while the sum is 47.

Adding to 3257533321265 its reverse (5621233357523), we get a palindrome (8878766678788).

The spelling of 3257533321265 in words is "three trillion, two hundred fifty-seven billion, five hundred thirty-three million, three hundred twenty-one thousand, two hundred sixty-five".