63385373 has 2 divisors, whose sum is σ = 63385374. Its totient is φ = 63385372.

The previous prime is 63385363. The next prime is 63385423. The reversal of 63385373 is 37358336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35485849 + 27899524 = 5957^2 + 5282^2 .

It is a cyclic number.

It is not a de Polignac number, because 63385373 - 2¹² = 63381277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63385313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31692686 + 31692687.

It is an arithmetic number, because the mean of its divisors is an integer number (31692687).

Almost surely, 2^63385373 is an apocalyptic number.

It is an amenable number.

63385373 is a deficient number, since it is larger than the sum of its proper divisors (1).

63385373 is an equidigital number, since it uses as much as digits as its factorization.

63385373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 38.

The square root of 63385373 is about 7961.4931388528. The cubic root of 63385373 is about 398.7154060455.

It can be divided in two parts, 6338 and 5373, that added together give a palindrome (11711).

The spelling of 63385373 in words is "sixty-three million, three hundred eighty-five thousand, three hundred seventy-three".