63481026 has 64 divisors (see below), whose sum is σ = 156045312. Its totient is φ = 16803072.

The previous prime is 63481021. The next prime is 63481037. The reversal of 63481026 is 62018436.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63480984 and 63481002.

It is not an unprimeable number, because it can be changed into a prime (63481021) 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 31 ways as a sum of consecutive naturals, for example, 47175 + ... + 48501.

It is an arithmetic number, because the mean of its divisors is an integer number (2438208).

Almost surely, 2^63481026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63481026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78022656).

63481026 is an abundant number, since it is smaller than the sum of its proper divisors (92564286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63481026 is a wasteful number, since it uses less digits than its factorization.

63481026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 63481026 is about 7967.4981016628. The cubic root of 63481026 is about 398.9158684684.

The spelling of 63481026 in words is "sixty-three million, four hundred eighty-one thousand, twenty-six".