6466487 has 2 divisors, whose sum is σ = 6466488. Its totient is φ = 6466486.

The previous prime is 6466463. The next prime is 6466489. The reversal of 6466487 is 7846646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6466487 - 2¹⁶ = 6400951 is a prime.

Together with 6466489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6466489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3233243 + 3233244.

It is an arithmetic number, because the mean of its divisors is an integer number (3233244).

Almost surely, 2^6466487 is an apocalyptic number.

6466487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6466487 is an equidigital number, since it uses as much as digits as its factorization.

6466487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 6466487 is about 2542.9288232273. The cubic root of 6466487 is about 186.3042674771.

The spelling of 6466487 in words is "six million, four hundred sixty-six thousand, four hundred eighty-seven".