1676813 has 2 divisors, whose sum is σ = 1676814. Its totient is φ = 1676812.

The previous prime is 1676783. The next prime is 1676827. The reversal of 1676813 is 3186761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 94249 = 1258^2 + 307^2 .

It is an emirp because it is prime and its reverse (3186761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1676813 - 2⁶ = 1676749 is a prime.

It is a Sophie Germain 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 1676813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838406 + 838407.

It is an arithmetic number, because the mean of its divisors is an integer number (838407).

2^1676813 is an apocalyptic number.

It is an amenable number.

1676813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676813 is an equidigital number, since it uses as much as digits as its factorization.

1676813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 1676813 is about 1294.9181441311. The cubic root of 1676813 is about 118.8032197278.

Adding to 1676813 its product of digits (6048), we get a palindrome (1682861).

The spelling of 1676813 in words is "one million, six hundred seventy-six thousand, eight hundred thirteen".