1283230517 has 2 divisors, whose sum is σ = 1283230518. Its totient is φ = 1283230516.

The previous prime is 1283230489. The next prime is 1283230579. The reversal of 1283230517 is 7150323821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783216196 + 500014321 = 27986^2 + 22361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283230517 - 2¹² = 1283226421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283233517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641615258 + 641615259.

It is an arithmetic number, because the mean of its divisors is an integer number (641615259).

Almost surely, 2^1283230517 is an apocalyptic number.

It is an amenable number.

1283230517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283230517 is an equidigital number, since it uses as much as digits as its factorization.

1283230517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1283230517 is about 35822.2070369764. The cubic root of 1283230517 is about 1086.6797138689.

The spelling of 1283230517 in words is "one billion, two hundred eighty-three million, two hundred thirty thousand, five hundred seventeen".