63104009 has 2 divisors, whose sum is σ = 63104010. Its totient is φ = 63104008.

The previous prime is 63103993. The next prime is 63104011. The reversal of 63104009 is 90040136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 1951609 = 7820^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 63104009 - 2⁴ = 63103993 is a prime.

Together with 63104011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63109009) 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, 31552004 + 31552005.

It is an arithmetic number, because the mean of its divisors is an integer number (31552005).

Almost surely, 2^63104009 is an apocalyptic number.

It is an amenable number.

63104009 is a deficient number, since it is larger than the sum of its proper divisors (1).

63104009 is an equidigital number, since it uses as much as digits as its factorization.

63104009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 63104009 is about 7943.8031823554. The cubic root of 63104009 is about 398.1245727573.

The spelling of 63104009 in words is "sixty-three million, one hundred four thousand, nine".