6256493 has 4 divisors (see below), whose sum is σ = 6624540. Its totient is φ = 5888448.

The previous prime is 6256487. The next prime is 6256501. The reversal of 6256493 is 3946526.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5442889 + 813604 = 2333^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256493 - 2¹⁴ = 6240109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183998 + ... + 184031.

It is an arithmetic number, because the mean of its divisors is an integer number (1656135).

Almost surely, 2^6256493 is an apocalyptic number.

It is an amenable number.

6256493 is a deficient number, since it is larger than the sum of its proper divisors (368047).

6256493 is a wasteful number, since it uses less digits than its factorization.

6256493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368046.

The product of its digits is 38880, while the sum is 35.

The square root of 6256493 is about 2501.2982629027. The cubic root of 6256493 is about 184.2653406329.

The spelling of 6256493 in words is "six million, two hundred fifty-six thousand, four hundred ninety-three".