63196281 has 14 divisors (see below), whose sum is σ = 94752170. Its totient is φ = 42130368.

The previous prime is 63196277. The next prime is 63196303. The reversal of 63196281 is 18269136.

63196281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39576681 + 23619600 = 6291^2 + 4860^2 .

It is not a de Polignac number, because 63196281 - 2² = 63196277 is a prime.

It is a super-2 number, since 2×63196281² = 7987539864461922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63196181) 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 in 13 ways as a sum of consecutive naturals, for example, 42616 + ... + 44073.

Almost surely, 2^63196281 is an apocalyptic number.

It is an amenable number.

63196281 is a deficient number, since it is larger than the sum of its proper divisors (31555889).

63196281 is an frugal number, since it uses more digits than its factorization.

63196281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86707 (or 86692 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 63196281 is about 7949.6088583024. The cubic root of 63196281 is about 398.3185269420.

The spelling of 63196281 in words is "sixty-three million, one hundred ninety-six thousand, two hundred eighty-one".