63004631 has 2 divisors, whose sum is σ = 63004632. Its totient is φ = 63004630.

The previous prime is 63004609. The next prime is 63004637. The reversal of 63004631 is 13640036.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63004631 is a prime.

It is a super-2 number, since 2×63004631² = 7939167054892322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63004597 and 63004606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63004637) 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, 31502315 + 31502316.

It is an arithmetic number, because the mean of its divisors is an integer number (31502316).

Almost surely, 2^63004631 is an apocalyptic number.

63004631 is a deficient number, since it is larger than the sum of its proper divisors (1).

63004631 is an equidigital number, since it uses as much as digits as its factorization.

63004631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 63004631 is about 7937.5456534120. The cubic root of 63004631 is about 397.9154702936.

Adding to 63004631 its reverse (13640036), we get a palindrome (76644667).

The spelling of 63004631 in words is "sixty-three million, four thousand, six hundred thirty-one".