63242687 has 2 divisors, whose sum is σ = 63242688. Its totient is φ = 63242686.

The previous prime is 63242677. The next prime is 63242717. The reversal of 63242687 is 78624236.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63242687 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63242687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63242677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31621343 + 31621344.

It is an arithmetic number, because the mean of its divisors is an integer number (31621344).

Almost surely, 2^63242687 is an apocalyptic number.

63242687 is a deficient number, since it is larger than the sum of its proper divisors (1).

63242687 is an equidigital number, since it uses as much as digits as its factorization.

63242687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 63242687 is about 7952.5270826323. The cubic root of 63242687 is about 398.4160002250.

The spelling of 63242687 in words is "sixty-three million, two hundred forty-two thousand, six hundred eighty-seven".