63313441 has 2 divisors, whose sum is σ = 63313442. Its totient is φ = 63313440.

The previous prime is 63313433. The next prime is 63313447. The reversal of 63313441 is 14431336.

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., 51265600 + 12047841 = 7160^2 + 3471^2 .

It is a cyclic number.

It is not a de Polignac number, because 63313441 - 2³ = 63313433 is a prime.

It is a super-2 number, since 2×63313441² = 8017183622520962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63313447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31656720 + 31656721.

It is an arithmetic number, because the mean of its divisors is an integer number (31656721).

Almost surely, 2^63313441 is an apocalyptic number.

It is an amenable number.

63313441 is a deficient number, since it is larger than the sum of its proper divisors (1).

63313441 is an equidigital number, since it uses as much as digits as its factorization.

63313441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 63313441 is about 7956.9743621555. The cubic root of 63313441 is about 398.5645234299.

Adding to 63313441 its reverse (14431336), we get a palindrome (77744777).

The spelling of 63313441 in words is "sixty-three million, three hundred thirteen thousand, four hundred forty-one".