6545393 has 4 divisors (see below), whose sum is σ = 6550848. Its totient is φ = 6539940.

The previous prime is 6545381. The next prime is 6545423. The reversal of 6545393 is 3935456.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6545393 - 2⁴ = 6545377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6545303) 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, 53 + ... + 3618.

It is an arithmetic number, because the mean of its divisors is an integer number (1637712).

Almost surely, 2^6545393 is an apocalyptic number.

It is an amenable number.

6545393 is a deficient number, since it is larger than the sum of its proper divisors (5455).

6545393 is a wasteful number, since it uses less digits than its factorization.

6545393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454.

The product of its digits is 48600, while the sum is 35.

The square root of 6545393 is about 2558.3965681653. The cubic root of 6545393 is about 187.0589860341.

The spelling of 6545393 in words is "six million, five hundred forty-five thousand, three hundred ninety-three".