1283563255 has 16 divisors (see below), whose sum is σ = 1662643584. Its totient is φ = 945642240.

The previous prime is 1283563217. The next prime is 1283563273. The reversal of 1283563255 is 5523653821.

It is not a de Polignac number, because 1283563255 - 2⁹ = 1283562743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5107 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (103915224).

Almost surely, 2^1283563255 is an apocalyptic number.

1283563255 is a deficient number, since it is larger than the sum of its proper divisors (379080329).

1283563255 is a wasteful number, since it uses less digits than its factorization.

1283563255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46266.

The product of its digits is 216000, while the sum is 40.

The square root of 1283563255 is about 35826.8510338266. The cubic root of 1283563255 is about 1086.7736300651.

The spelling of 1283563255 in words is "one billion, two hundred eighty-three million, five hundred sixty-three thousand, two hundred fifty-five".