63245989 has 2 divisors, whose sum is σ = 63245990. Its totient is φ = 63245988.

The previous prime is 63245971. The next prime is 63246011. The reversal of 63245989 is 98954236.

63245989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58644964 + 4601025 = 7658^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 63245989 - 2⁵ = 63245957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63245909) 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, 31622994 + 31622995.

It is an arithmetic number, because the mean of its divisors is an integer number (31622995).

Almost surely, 2^63245989 is an apocalyptic number.

It is an amenable number.

63245989 is a deficient number, since it is larger than the sum of its proper divisors (1).

63245989 is an equidigital number, since it uses as much as digits as its factorization.

63245989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 63245989 is about 7952.7346868860. The cubic root of 63245989 is about 398.4229340793.

The spelling of 63245989 in words is "sixty-three million, two hundred forty-five thousand, nine hundred eighty-nine".