6532561 has 8 divisors (see below), whose sum is σ = 7858880. Its totient is φ = 5304528.

The previous prime is 6532553. The next prime is 6532601. The reversal of 6532561 is 1652356.

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 6532561 - 2³ = 6532553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6532531) 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 7 ways as a sum of consecutive naturals, for example, 24426 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (982360).

Almost surely, 2^6532561 is an apocalyptic number.

It is an amenable number.

6532561 is a deficient number, since it is larger than the sum of its proper divisors (1326319).

6532561 is a wasteful number, since it uses less digits than its factorization.

6532561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49143.

The product of its digits is 5400, while the sum is 28.

The square root of 6532561 is about 2555.8875170868. The cubic root of 6532561 is about 186.9366653314.

The spelling of 6532561 in words is "six million, five hundred thirty-two thousand, five hundred sixty-one".