1873013 has 2 divisors, whose sum is σ = 1873014. Its totient is φ = 1873012.

The previous prime is 1872971. The next prime is 1873019. The reversal of 1873013 is 3103781.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129969 + 743044 = 1063^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 1873013 - 2¹² = 1868917 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1873013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1873019) 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, 936506 + 936507.

It is an arithmetic number, because the mean of its divisors is an integer number (936507).

2^1873013 is an apocalyptic number.

It is an amenable number.

1873013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1873013 is an equidigital number, since it uses as much as digits as its factorization.

1873013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1873013 is about 1368.5806516242. The cubic root of 1873013 is about 123.2670295349.

Adding to 1873013 its reverse (3103781), we get a palindrome (4976794).

The spelling of 1873013 in words is "one million, eight hundred seventy-three thousand, thirteen".