63445357 has 2 divisors, whose sum is σ = 63445358. Its totient is φ = 63445356.

The previous prime is 63445337. The next prime is 63445373. The reversal of 63445357 is 75354436.

63445357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59197636 + 4247721 = 7694^2 + 2061^2 .

It is a cyclic number.

It is not a de Polignac number, because 63445357 - 2¹¹ = 63443309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63445337) 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, 31722678 + 31722679.

It is an arithmetic number, because the mean of its divisors is an integer number (31722679).

Almost surely, 2^63445357 is an apocalyptic number.

It is an amenable number.

63445357 is a deficient number, since it is larger than the sum of its proper divisors (1).

63445357 is an equidigital number, since it uses as much as digits as its factorization.

63445357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 37.

The square root of 63445357 is about 7965.2593805852. The cubic root of 63445357 is about 398.8411395987.

The spelling of 63445357 in words is "sixty-three million, four hundred forty-five thousand, three hundred fifty-seven".