63393289 has 4 divisors (see below), whose sum is σ = 67122324. Its totient is φ = 59664256.

The previous prime is 63393287. The next prime is 63393293. The reversal of 63393289 is 98239336.

It is a happy number.

63393289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59413264 + 3980025 = 7708^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 63393289 - 2¹ = 63393287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63393287) 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 in 3 ways as a sum of consecutive naturals, for example, 1864492 + ... + 1864525.

It is an arithmetic number, because the mean of its divisors is an integer number (16780581).

Almost surely, 2^63393289 is an apocalyptic number.

It is an amenable number.

63393289 is a deficient number, since it is larger than the sum of its proper divisors (3729035).

63393289 is a wasteful number, since it uses less digits than its factorization.

63393289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729034.

The product of its digits is 209952, while the sum is 43.

The square root of 63393289 is about 7961.9902662588. The cubic root of 63393289 is about 398.7320034592.

The spelling of 63393289 in words is "sixty-three million, three hundred ninety-three thousand, two hundred eighty-nine".