6512494 has 4 divisors (see below), whose sum is σ = 9768744. Its totient is φ = 3256246.

The previous prime is 6512491. The next prime is 6512509. The reversal of 6512494 is 4942156.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628122 + ... + 1628125.

It is an arithmetic number, because the mean of its divisors is an integer number (2442186).

Almost surely, 2^6512494 is an apocalyptic number.

6512494 is a deficient number, since it is larger than the sum of its proper divisors (3256250).

6512494 is a wasteful number, since it uses less digits than its factorization.

6512494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256249.

The product of its digits is 8640, while the sum is 31.

The square root of 6512494 is about 2551.9588554677. The cubic root of 6512494 is about 186.7450556537.

It can be divided in two parts, 651249 and 4, that multiplied together give a square (2604996 = 1614²).

The spelling of 6512494 in words is "six million, five hundred twelve thousand, four hundred ninety-four".