1283282513 has 4 divisors (see below), whose sum is σ = 1283432100. Its totient is φ = 1283132928.

The previous prime is 1283282503. The next prime is 1283282521. The reversal of 1283282513 is 3152823821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169859089 + 1113423424 = 13033^2 + 33368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283282513 - 2⁶ = 1283282449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283282503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61088 + ... + 79361.

It is an arithmetic number, because the mean of its divisors is an integer number (320858025).

Almost surely, 2^1283282513 is an apocalyptic number.

It is an amenable number.

1283282513 is a deficient number, since it is larger than the sum of its proper divisors (149587).

1283282513 is an equidigital number, since it uses as much as digits as its factorization.

1283282513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149586.

The product of its digits is 23040, while the sum is 35.

The square root of 1283282513 is about 35822.9327805527. The cubic root of 1283282513 is about 1086.6943909500.

The spelling of 1283282513 in words is "one billion, two hundred eighty-three million, two hundred eighty-two thousand, five hundred thirteen".