6573493 has 2 divisors, whose sum is σ = 6573494. Its totient is φ = 6573492.

The previous prime is 6573491. The next prime is 6573499. The reversal of 6573493 is 3943756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5116644 + 1456849 = 2262^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 6573493 - 2¹ = 6573491 is a prime.

Together with 6573491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6573491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3286746 + 3286747.

It is an arithmetic number, because the mean of its divisors is an integer number (3286747).

Almost surely, 2^6573493 is an apocalyptic number.

It is an amenable number.

6573493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6573493 is an equidigital number, since it uses as much as digits as its factorization.

6573493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 6573493 is about 2563.8824075998. The cubic root of 6573493 is about 187.3262912660.

The spelling of 6573493 in words is "six million, five hundred seventy-three thousand, four hundred ninety-three".