1283333 has 2 divisors, whose sum is σ = 1283334. Its totient is φ = 1283332.

The previous prime is 1283323. The next prime is 1283339. The reversal of 1283333 is 3333821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 247009 = 1018^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283333 - 2¹⁴ = 1266949 is a prime.

It is a Sophie Germain prime.

1283333 is a modest number, since divided by 3333 gives 128 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1283299 and 1283308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641666 + 641667.

It is an arithmetic number, because the mean of its divisors is an integer number (641667).

2^1283333 is an apocalyptic number.

It is an amenable number.

1283333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283333 is an equidigital number, since it uses as much as digits as its factorization.

1283333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 1283333 is about 1132.8428840753. The cubic root of 1283333 is about 108.6708641701.

It can be divided in two parts, 128 and 3333, that multiplied together give a palindrome (426624).

The spelling of 1283333 in words is "one million, two hundred eighty-three thousand, three hundred thirty-three".