6521673 has 16 divisors (see below), whose sum is σ = 9271296. Its totient is φ = 4068240.

The previous prime is 6521587. The next prime is 6521677. The reversal of 6521673 is 3761256.

It is not a de Polignac number, because 6521673 - 2¹⁶ = 6456137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6521673.

It is not an unprimeable number, because it can be changed into a prime (6521677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2238 + ... + 4248.

It is an arithmetic number, because the mean of its divisors is an integer number (579456).

Almost surely, 2^6521673 is an apocalyptic number.

It is an amenable number.

6521673 is a deficient number, since it is larger than the sum of its proper divisors (2749623).

6521673 is a wasteful number, since it uses less digits than its factorization.

6521673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its digits is 7560, while the sum is 30.

The square root of 6521673 is about 2553.7566446316. The cubic root of 6521673 is about 186.8327500747.

The spelling of 6521673 in words is "six million, five hundred twenty-one thousand, six hundred seventy-three".