6531465 has 16 divisors (see below), whose sum is σ = 10482048. Its totient is φ = 3472896.

The previous prime is 6531463. The next prime is 6531479. The reversal of 6531465 is 5641356.

It is not a de Polignac number, because 6531465 - 2¹ = 6531463 is a prime.

6531465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6531461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9369 + ... + 10041.

It is an arithmetic number, because the mean of its divisors is an integer number (655128).

Almost surely, 2^6531465 is an apocalyptic number.

It is an amenable number.

6531465 is a deficient number, since it is larger than the sum of its proper divisors (3950583).

6531465 is a wasteful number, since it uses less digits than its factorization.

6531465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328.

The product of its digits is 10800, while the sum is 30.

The square root of 6531465 is about 2555.6731011614. The cubic root of 6531465 is about 186.9262103177.

It can be divided in two parts, 6531 and 465, that added together give a palindrome (6996).

The spelling of 6531465 in words is "six million, five hundred thirty-one thousand, four hundred sixty-five".