6531485 has 16 divisors (see below), whose sum is σ = 8496576. Its totient is φ = 4800768.

The previous prime is 6531479. The next prime is 6531487. The reversal of 6531485 is 5841356.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6531485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762 + ... + 4548.

It is an arithmetic number, because the mean of its divisors is an integer number (531036).

Almost surely, 2^6531485 is an apocalyptic number.

It is an amenable number.

6531485 is a deficient number, since it is larger than the sum of its proper divisors (1965091).

6531485 is a wasteful number, since it uses less digits than its factorization.

6531485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its digits is 14400, while the sum is 32.

The square root of 6531485 is about 2555.6770140219. The cubic root of 6531485 is about 186.9264011131.

The spelling of 6531485 in words is "six million, five hundred thirty-one thousand, four hundred eighty-five".