6516463 has 2 divisors, whose sum is σ = 6516464. Its totient is φ = 6516462.

The previous prime is 6516439. The next prime is 6516467. The reversal of 6516463 is 3646156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6516463 - 2⁵ = 6516431 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6516467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258231 + 3258232.

It is an arithmetic number, because the mean of its divisors is an integer number (3258232).

Almost surely, 2^6516463 is an apocalyptic number.

6516463 is a deficient number, since it is larger than the sum of its proper divisors (1).

6516463 is an equidigital number, since it uses as much as digits as its factorization.

6516463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 6516463 is about 2552.7363749514. The cubic root of 6516463 is about 186.7829848304.

The spelling of 6516463 in words is "six million, five hundred sixteen thousand, four hundred sixty-three".