63422587 has 2 divisors, whose sum is σ = 63422588. Its totient is φ = 63422586.

The previous prime is 63422573. The next prime is 63422617. The reversal of 63422587 is 78522436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63422587 is a prime.

It is not a weakly prime, because it can be changed into another prime (63422537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711293 + 31711294.

It is an arithmetic number, because the mean of its divisors is an integer number (31711294).

Almost surely, 2^63422587 is an apocalyptic number.

63422587 is a deficient number, since it is larger than the sum of its proper divisors (1).

63422587 is an equidigital number, since it uses as much as digits as its factorization.

63422587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 63422587 is about 7963.8299203336. The cubic root of 63422587 is about 398.7934203233.

It can be divided in two parts, 63422 and 587, that added together give a square (64009 = 253²).

The spelling of 63422587 in words is "sixty-three million, four hundred twenty-two thousand, five hundred eighty-seven".