63531236 has 12 divisors (see below), whose sum is σ = 111574512. Its totient is φ = 31652808.

The previous prime is 63531233. The next prime is 63531277. The reversal of 63531236 is 63213536.

It is a happy number.

63531236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63531199 and 63531208.

It is not an unprimeable number, because it can be changed into a prime (63531233) 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 3 ways as a sum of consecutive naturals, for example, 26930 + ... + 29193.

It is an arithmetic number, because the mean of its divisors is an integer number (9297876).

Almost surely, 2^63531236 is an apocalyptic number.

It is an amenable number.

63531236 is a deficient number, since it is larger than the sum of its proper divisors (48043276).

63531236 is a wasteful number, since it uses less digits than its factorization.

63531236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56410 (or 56408 counting only the distinct ones).

The product of its digits is 9720, while the sum is 29.

The square root of 63531236 is about 7970.6484052428. The cubic root of 63531236 is about 399.0210142553.

The spelling of 63531236 in words is "sixty-three million, five hundred thirty-one thousand, two hundred thirty-six".