6534393 has 4 divisors (see below), whose sum is σ = 8712528. Its totient is φ = 4356260.

The previous prime is 6534389. The next prime is 6534419. The reversal of 6534393 is 3934356.

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 a cyclic number.

It is not a de Polignac number, because 6534393 - 2² = 6534389 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6534313) 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, 1089063 + ... + 1089068.

It is an arithmetic number, because the mean of its divisors is an integer number (2178132).

Almost surely, 2^6534393 is an apocalyptic number.

It is an amenable number.

6534393 is a deficient number, since it is larger than the sum of its proper divisors (2178135).

6534393 is a wasteful number, since it uses less digits than its factorization.

6534393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178134.

The product of its digits is 29160, while the sum is 33.

The square root of 6534393 is about 2556.2458801923. The cubic root of 6534393 is about 186.9541386196.

The spelling of 6534393 in words is "six million, five hundred thirty-four thousand, three hundred ninety-three".