1355983 has 2 divisors, whose sum is σ = 1355984. Its totient is φ = 1355982.

The previous prime is 1355957. The next prime is 1355987. The reversal of 1355983 is 3895531.

It is a strong prime.

It is an emirp because it is prime and its reverse (3895531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1355983 - 2¹³ = 1347791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677991 + 677992.

It is an arithmetic number, because the mean of its divisors is an integer number (677992).

2^1355983 is an apocalyptic number.

1355983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355983 is an equidigital number, since it uses as much as digits as its factorization.

1355983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 1355983 is about 1164.4668307857. The cubic root of 1355983 is about 110.6839751722.

The spelling of 1355983 in words is "one million, three hundred fifty-five thousand, nine hundred eighty-three".