1283215319 has 2 divisors, whose sum is σ = 1283215320. Its totient is φ = 1283215318.

The previous prime is 1283215237. The next prime is 1283215321. The reversal of 1283215319 is 9135123821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283215319 is a prime.

It is a super-2 number, since 2×1283215319² = 3293283109832543522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1283215321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283215819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641607659 + 641607660.

It is an arithmetic number, because the mean of its divisors is an integer number (641607660).

Almost surely, 2^1283215319 is an apocalyptic number.

1283215319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283215319 is an equidigital number, since it uses as much as digits as its factorization.

1283215319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 1283215319 is about 35821.9949053651. The cubic root of 1283215319 is about 1086.6754238048.

The spelling of 1283215319 in words is "one billion, two hundred eighty-three million, two hundred fifteen thousand, three hundred nineteen".