63289273 has 2 divisors, whose sum is σ = 63289274. Its totient is φ = 63289272.

The previous prime is 63289267. The next prime is 63289309. The reversal of 63289273 is 37298236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54361129 + 8928144 = 7373^2 + 2988^2 .

It is a cyclic number.

It is not a de Polignac number, because 63289273 - 2²⁵ = 29734841 is a prime.

It is not a weakly prime, because it can be changed into another prime (63289253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31644636 + 31644637.

It is an arithmetic number, because the mean of its divisors is an integer number (31644637).

Almost surely, 2^63289273 is an apocalyptic number.

It is an amenable number.

63289273 is a deficient number, since it is larger than the sum of its proper divisors (1).

63289273 is an equidigital number, since it uses as much as digits as its factorization.

63289273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 63289273 is about 7955.4555494956. The cubic root of 63289273 is about 398.5138036399.

The spelling of 63289273 in words is "sixty-three million, two hundred eighty-nine thousand, two hundred seventy-three".