63422521 has 2 divisors, whose sum is σ = 63422522. Its totient is φ = 63422520.

The previous prime is 63422509. The next prime is 63422533. The reversal of 63422521 is 12522436.

63422521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (63422509) and next prime (63422533).

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 16088121 = 6880^2 + 4011^2 .

It is a cyclic number.

It is not a de Polignac number, because 63422521 - 2¹⁹ = 62898233 is a prime.

It is not a weakly prime, because it can be changed into another prime (63422221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711260 + 31711261.

It is an arithmetic number, because the mean of its divisors is an integer number (31711261).

Almost surely, 2^63422521 is an apocalyptic number.

It is an amenable number.

63422521 is a deficient number, since it is larger than the sum of its proper divisors (1).

63422521 is an equidigital number, since it uses as much as digits as its factorization.

63422521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 63422521 is about 7963.8257765976. The cubic root of 63422521 is about 398.7932819899.

Adding to 63422521 its reverse (12522436), we get a palindrome (75944957).

The spelling of 63422521 in words is "sixty-three million, four hundred twenty-two thousand, five hundred twenty-one".