6498561 has 8 divisors (see below), whose sum is σ = 8944384. Its totient is φ = 4192560.

The previous prime is 6498553. The next prime is 6498563. The reversal of 6498561 is 1658946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6498561 - 2³ = 6498553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6498563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34846 + ... + 35031.

It is an arithmetic number, because the mean of its divisors is an integer number (1118048).

Almost surely, 2^6498561 is an apocalyptic number.

It is an amenable number.

6498561 is a deficient number, since it is larger than the sum of its proper divisors (2445823).

6498561 is a wasteful number, since it uses less digits than its factorization.

6498561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69911.

The product of its digits is 51840, while the sum is 39.

The square root of 6498561 is about 2549.2275300569. The cubic root of 6498561 is about 186.6117848153.

The spelling of 6498561 in words is "six million, four hundred ninety-eight thousand, five hundred sixty-one".