1283028529 has 2 divisors, whose sum is σ = 1283028530. Its totient is φ = 1283028528.

The previous prime is 1283028521. The next prime is 1283028533. The reversal of 1283028529 is 9258203821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265722929 + 17305600 = 35577^2 + 4160^2 .

It is an emirp because it is prime and its reverse (9258203821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1283028529 - 2³ = 1283028521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1283028491 and 1283028500.

It is not a weakly prime, because it can be changed into another prime (1283028521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641514264 + 641514265.

It is an arithmetic number, because the mean of its divisors is an integer number (641514265).

Almost surely, 2^1283028529 is an apocalyptic number.

It is an amenable number.

1283028529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283028529 is an equidigital number, since it uses as much as digits as its factorization.

1283028529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1283028529 is about 35819.3876134141. The cubic root of 1283028529 is about 1086.6226942929.

The spelling of 1283028529 in words is "one billion, two hundred eighty-three million, twenty-eight thousand, five hundred twenty-nine".