63205873 has 2 divisors, whose sum is σ = 63205874. Its totient is φ = 63205872.

The previous prime is 63205871. The next prime is 63205889. The reversal of 63205873 is 37850236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 2241009 = 7808^2 + 1497^2 .

It is a cyclic number.

It is not a de Polignac number, because 63205873 - 2¹ = 63205871 is a prime.

Together with 63205871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63205871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31602936 + 31602937.

It is an arithmetic number, because the mean of its divisors is an integer number (31602937).

Almost surely, 2^63205873 is an apocalyptic number.

It is an amenable number.

63205873 is a deficient number, since it is larger than the sum of its proper divisors (1).

63205873 is an equidigital number, since it uses as much as digits as its factorization.

63205873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 63205873 is about 7950.2121355345. The cubic root of 63205873 is about 398.3386783283.

The spelling of 63205873 in words is "sixty-three million, two hundred five thousand, eight hundred seventy-three".