63381229 has 2 divisors, whose sum is σ = 63381230. Its totient is φ = 63381228.

The previous prime is 63381223. The next prime is 63381233. The reversal of 63381229 is 92218336.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35976004 + 27405225 = 5998^2 + 5235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63381229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63381194 and 63381203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63381223) 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, 31690614 + 31690615.

It is an arithmetic number, because the mean of its divisors is an integer number (31690615).

Almost surely, 2^63381229 is an apocalyptic number.

It is an amenable number.

63381229 is a deficient number, since it is larger than the sum of its proper divisors (1).

63381229 is an equidigital number, since it uses as much as digits as its factorization.

63381229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 63381229 is about 7961.2328819097. The cubic root of 63381229 is about 398.7067168029.

The spelling of 63381229 in words is "sixty-three million, three hundred eighty-one thousand, two hundred twenty-nine".