1283555441 has 12 divisors (see below), whose sum is σ = 1497645360. Its totient is φ = 1096852680.

The previous prime is 1283555407. The next prime is 1283555447. The reversal of 1283555441 is 1445553821.

It is a de Polignac number, because none of the positive numbers 2^k-1283555441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1283555395 and 1283555404.

It is not an unprimeable number, because it can be changed into a prime (1283555447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23351 + ... + 55788.

It is an arithmetic number, because the mean of its divisors is an integer number (124803780).

Almost surely, 2^1283555441 is an apocalyptic number.

It is an amenable number.

1283555441 is a deficient number, since it is larger than the sum of its proper divisors (214089919).

1283555441 is an equidigital number, since it uses as much as digits as its factorization.

1283555441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79484 (or 79477 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 1283555441 is about 35826.7419813748. The cubic root of 1283555441 is about 1086.7714247286.

The spelling of 1283555441 in words is "one billion, two hundred eighty-three million, five hundred fifty-five thousand, four hundred forty-one".