3253566512465 has 16 divisors (see below), whose sum is σ = 3983172979536. Its totient is φ = 2550386841600.

The previous prime is 3253566512461. The next prime is 3253566512597. The reversal of 3253566512465 is 5642156653523.

3253566512465 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 95869498384 + 3157697014081 = 309628^2 + 1776991^2 .

It is not a de Polignac number, because 3253566512465 - 2² = 3253566512461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3253566512461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7865096 + ... + 8268425.

It is an arithmetic number, because the mean of its divisors is an integer number (248948311221).

Almost surely, 2^{3253566512465} is an apocalyptic number.

It is an amenable number.

3253566512465 is a deficient number, since it is larger than the sum of its proper divisors (729606467071).

3253566512465 is a wasteful number, since it uses less digits than its factorization.

3253566512465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16134340.

The product of its digits is 19440000, while the sum is 53.

The spelling of 3253566512465 in words is "three trillion, two hundred fifty-three billion, five hundred sixty-six million, five hundred twelve thousand, four hundred sixty-five".