1283481576 has 72 divisors (see below), whose sum is σ = 3746687490. Its totient is φ = 394580160.

The previous prime is 1283481569. The next prime is 1283481611. The reversal of 1283481576 is 6751843821.

It can be written as a sum of positive squares in only one way, i.e., 1234116900 + 49364676 = 35130^2 + 7026^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1095471 + ... + 1096641.

Almost surely, 2^1283481576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283481576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873343745).

1283481576 is an abundant number, since it is smaller than the sum of its proper divisors (2463205914).

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

1283481576 is a wasteful number, since it uses less digits than its factorization.

1283481576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 1189 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1283481576 is about 35825.7111025029. The cubic root of 1283481576 is about 1086.7505774507.

The spelling of 1283481576 in words is "one billion, two hundred eighty-three million, four hundred eighty-one thousand, five hundred seventy-six".