63355361 has 2 divisors, whose sum is σ = 63355362. Its totient is φ = 63355360.

The previous prime is 63355349. The next prime is 63355387. The reversal of 63355361 is 16355336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39929761 + 23425600 = 6319^2 + 4840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63355361 is a prime.

It is not a weakly prime, because it can be changed into another prime (63355301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31677680 + 31677681.

It is an arithmetic number, because the mean of its divisors is an integer number (31677681).

Almost surely, 2^63355361 is an apocalyptic number.

It is an amenable number.

63355361 is a deficient number, since it is larger than the sum of its proper divisors (1).

63355361 is an equidigital number, since it uses as much as digits as its factorization.

63355361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 32.

The square root of 63355361 is about 7959.6080933674. The cubic root of 63355361 is about 398.6524675719.

The spelling of 63355361 in words is "sixty-three million, three hundred fifty-five thousand, three hundred sixty-one".