63417287 has 6 divisors (see below), whose sum is σ = 65680368. Its totient is φ = 61229672.

The previous prime is 63417253. The next prime is 63417301. The reversal of 63417287 is 78271436.

It is not a de Polignac number, because 63417287 - 2¹² = 63413191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63417287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63417587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36863 + ... + 38544.

It is an arithmetic number, because the mean of its divisors is an integer number (10946728).

Almost surely, 2^63417287 is an apocalyptic number.

63417287 is a deficient number, since it is larger than the sum of its proper divisors (2263081).

63417287 is an equidigital number, since it uses as much as digits as its factorization.

63417287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75465 (or 75436 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 63417287 is about 7963.4971589120. The cubic root of 63417287 is about 398.7823114313.

The spelling of 63417287 in words is "sixty-three million, four hundred seventeen thousand, two hundred eighty-seven".