63403441 has 2 divisors, whose sum is σ = 63403442. Its totient is φ = 63403440.

The previous prime is 63403427. The next prime is 63403469. The reversal of 63403441 is 14430436.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41873841 + 21529600 = 6471^2 + 4640^2 .

It is a cyclic number.

It is not a de Polignac number, because 63403441 - 2⁵ = 63403409 is a prime.

It is not a weakly prime, because it can be changed into another prime (63403841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31701720 + 31701721.

It is an arithmetic number, because the mean of its divisors is an integer number (31701721).

Almost surely, 2^63403441 is an apocalyptic number.

It is an amenable number.

63403441 is a deficient number, since it is larger than the sum of its proper divisors (1).

63403441 is an equidigital number, since it uses as much as digits as its factorization.

63403441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 63403441 is about 7962.6277697755. The cubic root of 63403441 is about 398.7532870541.

Adding to 63403441 its reverse (14430436), we get a palindrome (77833877).

The spelling of 63403441 in words is "sixty-three million, four hundred three thousand, four hundred forty-one".