6494137 has 4 divisors (see below), whose sum is σ = 6993700. Its totient is φ = 5994576.

The previous prime is 6494101. The next prime is 6494167. The reversal of 6494137 is 7314946.

It is a happy number.

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 1245456 + 5248681 = 1116^2 + 2291^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494137 - 2¹⁵ = 6461369 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 (6494167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249762 + ... + 249787.

It is an arithmetic number, because the mean of its divisors is an integer number (1748425).

Almost surely, 2^6494137 is an apocalyptic number.

It is an amenable number.

6494137 is a deficient number, since it is larger than the sum of its proper divisors (499563).

6494137 is a wasteful number, since it uses less digits than its factorization.

6494137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499562.

The product of its digits is 18144, while the sum is 34.

The square root of 6494137 is about 2548.3596684927. The cubic root of 6494137 is about 186.5694288770.

The spelling of 6494137 in words is "six million, four hundred ninety-four thousand, one hundred thirty-seven".