1283562852 has 96 divisors (see below), whose sum is σ = 3640049280. Its totient is φ = 346644480.

The previous prime is 1283562829. The next prime is 1283562859. The reversal of 1283562852 is 2582653821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1283562859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36868 + ... + 62660.

It is an arithmetic number, because the mean of its divisors is an integer number (37917180).

Almost surely, 2^1283562852 is an apocalyptic number.

1283562852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283562852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820024640).

1283562852 is an abundant number, since it is smaller than the sum of its proper divisors (2356486428).

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

1283562852 is a wasteful number, since it uses less digits than its factorization.

1283562852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25853 (or 25851 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 1283562852 is about 35826.8454095529. The cubic root of 1283562852 is about 1086.7735163270.

The spelling of 1283562852 in words is "one billion, two hundred eighty-three million, five hundred sixty-two thousand, eight hundred fifty-two".