63634003 has 2 divisors, whose sum is σ = 63634004. Its totient is φ = 63634002.

The previous prime is 63633991. The next prime is 63634007. The reversal of 63634003 is 30043636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63634003 - 2⁹ = 63633491 is a prime.

It is not a weakly prime, because it can be changed into another prime (63634007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31817001 + 31817002.

It is an arithmetic number, because the mean of its divisors is an integer number (31817002).

Almost surely, 2^63634003 is an apocalyptic number.

63634003 is a deficient number, since it is larger than the sum of its proper divisors (1).

63634003 is an equidigital number, since it uses as much as digits as its factorization.

63634003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 63634003 is about 7977.0923900880. The cubic root of 63634003 is about 399.2360481227.

Adding to 63634003 its reverse (30043636), we get a palindrome (93677639).

The spelling of 63634003 in words is "sixty-three million, six hundred thirty-four thousand, three".