63198407 has 2 divisors, whose sum is σ = 63198408. Its totient is φ = 63198406.

The previous prime is 63198397. The next prime is 63198413. The reversal of 63198407 is 70489136.

63198407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63198407 - 2²⁰ = 62149831 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63198437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31599203 + 31599204.

It is an arithmetic number, because the mean of its divisors is an integer number (31599204).

Almost surely, 2^63198407 is an apocalyptic number.

63198407 is a deficient number, since it is larger than the sum of its proper divisors (1).

63198407 is an equidigital number, since it uses as much as digits as its factorization.

63198407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 63198407 is about 7949.7425744486. The cubic root of 63198407 is about 398.3229935323.

The spelling of 63198407 in words is "sixty-three million, one hundred ninety-eight thousand, four hundred seven".