1013843 has 2 divisors, whose sum is σ = 1013844. Its totient is φ = 1013842.

The previous prime is 1013839. The next prime is 1013851. The reversal of 1013843 is 3483101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013843 - 2² = 1013839 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506921 + 506922.

It is an arithmetic number, because the mean of its divisors is an integer number (506922).

2^1013843 is an apocalyptic number.

1013843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013843 is an equidigital number, since it uses as much as digits as its factorization.

1013843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1013843 is about 1006.8977107929. The cubic root of 1013843 is about 100.4593203513.

Adding to 1013843 its reverse (3483101), we get a palindrome (4496944).

The spelling of 1013843 in words is "one million, thirteen thousand, eight hundred forty-three".