1285413343 has 2 divisors, whose sum is σ = 1285413344. Its totient is φ = 1285413342.

The previous prime is 1285413341. The next prime is 1285413439. The reversal of 1285413343 is 3433145821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1285413343 - 2¹ = 1285413341 is a prime.

Together with 1285413341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1285413299 and 1285413308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285413341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642706671 + 642706672.

It is an arithmetic number, because the mean of its divisors is an integer number (642706672).

Almost surely, 2^1285413343 is an apocalyptic number.

1285413343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285413343 is an equidigital number, since it uses as much as digits as its factorization.

1285413343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 1285413343 is about 35852.6615887858. The cubic root of 1285413343 is about 1087.2955265898.

The spelling of 1285413343 in words is "one billion, two hundred eighty-five million, four hundred thirteen thousand, three hundred forty-three".