6493457 has 8 divisors (see below), whose sum is σ = 6717480. Its totient is φ = 6272640.

The previous prime is 6493451. The next prime is 6493469. The reversal of 6493457 is 7543946.

It can be written as a sum of positive squares in 4 ways, for example, as 1635841 + 4857616 = 1279^2 + 2204^2 .

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 6493457 - 2⁴ = 6493441 is a prime.

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 6493457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6493451) 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, 3743 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (839685).

Almost surely, 2^6493457 is an apocalyptic number.

It is an amenable number.

6493457 is a deficient number, since it is larger than the sum of its proper divisors (224023).

6493457 is a wasteful number, since it uses less digits than its factorization.

6493457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603.

The product of its digits is 90720, while the sum is 38.

The square root of 6493457 is about 2548.2262458424. The cubic root of 6493457 is about 186.5629167651.

The spelling of 6493457 in words is "six million, four hundred ninety-three thousand, four hundred fifty-seven".