6506913 has 8 divisors (see below), whose sum is σ = 9915328. Its totient is φ = 3718224.

The previous prime is 6506909. The next prime is 6506921. The reversal of 6506913 is 3196056.

It is a happy number.

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

It is not a de Polignac number, because 6506913 - 2² = 6506909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6506963) 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, 154906 + ... + 154947.

It is an arithmetic number, because the mean of its divisors is an integer number (1239416).

Almost surely, 2^6506913 is an apocalyptic number.

It is an amenable number.

6506913 is a deficient number, since it is larger than the sum of its proper divisors (3408415).

6506913 is a wasteful number, since it uses less digits than its factorization.

6506913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309863.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 6506913 is about 2550.8651473569. The cubic root of 6506913 is about 186.6916955526.

The spelling of 6506913 in words is "six million, five hundred six thousand, nine hundred thirteen".