19481282 has 6 divisors (see below), whose sum is σ = 29231289. Its totient is φ = 9737520.

The previous prime is 19481281. The next prime is 19481309. The reversal of 19481282 is 28218491.

It can be written as a sum of positive squares in 2 ways, for example, as 10233601 + 9247681 = 3199^2 + 3041^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3121.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19481281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4682 + ... + 7802.

Almost surely, 2^19481282 is an apocalyptic number.

19481282 is a deficient number, since it is larger than the sum of its proper divisors (9750007).

19481282 is an frugal number, since it uses more digits than its factorization.

19481282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244 (or 3123 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 19481282 is about 4413.7605281664. The cubic root of 19481282 is about 269.0744808338.

The spelling of 19481282 in words is "nineteen million, four hundred eighty-one thousand, two hundred eighty-two".