1563481086 has 8 divisors (see below), whose sum is σ = 3126962184. Its totient is φ = 521160360.

The previous prime is 1563481081. The next prime is 1563481103. The reversal of 1563481086 is 6801843651.

It is a sphenic number, since it is the product of 3 distinct primes.

1563481086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563481081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130290085 + ... + 130290096.

It is an arithmetic number, because the mean of its divisors is an integer number (390870273).

Almost surely, 2^1563481086 is an apocalyptic number.

1563481086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1563481086 is a wasteful number, since it uses less digits than its factorization.

1563481086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260580186.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1563481086 is about 39540.8786700549. The cubic root of 1563481086 is about 1160.6400268060.

The spelling of 1563481086 in words is "one billion, five hundred sixty-three million, four hundred eighty-one thousand, eighty-six".