6410506 has 4 divisors (see below), whose sum is σ = 9615762. Its totient is φ = 3205252.

The previous prime is 6410497. The next prime is 6410507. The reversal of 6410506 is 6050146.

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

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 2430481 = 1995^2 + 1559^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6410507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602625 + ... + 1602628.

Almost surely, 2^6410506 is an apocalyptic number.

6410506 is a deficient number, since it is larger than the sum of its proper divisors (3205256).

6410506 is a wasteful number, since it uses less digits than its factorization.

6410506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205255.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6410506 is about 2531.8977072544. The cubic root of 6410506 is about 185.7650905805.

The spelling of 6410506 in words is "six million, four hundred ten thousand, five hundred six".