6530493 has 4 divisors (see below), whose sum is σ = 8707328. Its totient is φ = 4353660.

The previous prime is 6530483. The next prime is 6530519. The reversal of 6530493 is 3940356.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6530493 - 2⁹ = 6529981 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6530493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088413 + ... + 1088418.

It is an arithmetic number, because the mean of its divisors is an integer number (2176832).

Almost surely, 2^6530493 is an apocalyptic number.

It is an amenable number.

6530493 is a deficient number, since it is larger than the sum of its proper divisors (2176835).

6530493 is a wasteful number, since it uses less digits than its factorization.

6530493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176834.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 6530493 is about 2555.4829289197. The cubic root of 6530493 is about 186.9169371919.

The spelling of 6530493 in words is "six million, five hundred thirty thousand, four hundred ninety-three".