6542393 has 8 divisors (see below), whose sum is σ = 7686336. Its totient is φ = 5490000.

The previous prime is 6542387. The next prime is 6542401. The reversal of 6542393 is 3932456.

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

It is a cyclic number.

It is not a de Polignac number, because 6542393 - 2¹² = 6538297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6542293) 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, 22733 + ... + 23018.

It is an arithmetic number, because the mean of its divisors is an integer number (960792).

Almost surely, 2^6542393 is an apocalyptic number.

It is an amenable number.

6542393 is a deficient number, since it is larger than the sum of its proper divisors (1143943).

6542393 is a wasteful number, since it uses less digits than its factorization.

6542393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45775.

The product of its digits is 19440, while the sum is 32.

The square root of 6542393 is about 2557.8101962421. The cubic root of 6542393 is about 187.0304029418.

The spelling of 6542393 in words is "six million, five hundred forty-two thousand, three hundred ninety-three".