63198243 has 18 divisors (see below), whose sum is σ = 94338972. Its totient is φ = 40767480.

The previous prime is 63198229. The next prime is 63198251. The reversal of 63198243 is 34289136.

It is not a de Polignac number, because 63198243 - 2¹³ = 63190051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63198198 and 63198207.

It is not an unprimeable number, because it can be changed into a prime (63198203) 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 in 17 ways as a sum of consecutive naturals, for example, 4996 + ... + 12302.

It is an arithmetic number, because the mean of its divisors is an integer number (5241054).

Almost surely, 2^63198243 is an apocalyptic number.

63198243 is a deficient number, since it is larger than the sum of its proper divisors (31140729).

63198243 is a wasteful number, since it uses less digits than its factorization.

63198243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375 (or 7341 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 63198243 is about 7949.7322596425. The cubic root of 63198243 is about 398.3226489823.

It can be divided in two parts, 631982 and 43, that added together give a square (632025 = 795²).

The spelling of 63198243 in words is "sixty-three million, one hundred ninety-eight thousand, two hundred forty-three".