1283032263 has 16 divisors (see below), whose sum is σ = 1727433216. Its totient is φ = 847024320.

The previous prime is 1283032249. The next prime is 1283032271. The reversal of 1283032263 is 3622303821.

It is not a de Polignac number, because 1283032263 - 2²⁰ = 1281983687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1283032263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283032213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173520 + ... + 180762.

It is an arithmetic number, because the mean of its divisors is an integer number (107964576).

Almost surely, 2^1283032263 is an apocalyptic number.

1283032263 is a deficient number, since it is larger than the sum of its proper divisors (444400953).

1283032263 is a wasteful number, since it uses less digits than its factorization.

1283032263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1283032263 is about 35819.4397359869. The cubic root of 1283032263 is about 1086.6237484252.

The spelling of 1283032263 in words is "one billion, two hundred eighty-three million, thirty-two thousand, two hundred sixty-three".