6413503 has 2 divisors, whose sum is σ = 6413504. Its totient is φ = 6413502.

The previous prime is 6413489. The next prime is 6413509. The reversal of 6413503 is 3053146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6413503 is a prime.

It is a super-2 number, since 2×6413503² = 82266041462018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6413509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206751 + 3206752.

It is an arithmetic number, because the mean of its divisors is an integer number (3206752).

Almost surely, 2^6413503 is an apocalyptic number.

6413503 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413503 is an equidigital number, since it uses as much as digits as its factorization.

6413503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 6413503 is about 2532.4894866514. The cubic root of 6413503 is about 185.7940353178.

Adding to 6413503 its reverse (3053146), we get a palindrome (9466649).

The spelling of 6413503 in words is "six million, four hundred thirteen thousand, five hundred three".