2671813 has 2 divisors, whose sum is σ = 2671814. Its totient is φ = 2671812.

The previous prime is 2671793. The next prime is 2671819. The reversal of 2671813 is 3181762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 717409 = 1398^2 + 847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2671813 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2671819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335906 + 1335907.

It is an arithmetic number, because the mean of its divisors is an integer number (1335907).

2^2671813 is an apocalyptic number.

It is an amenable number.

2671813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671813 is an equidigital number, since it uses as much as digits as its factorization.

2671813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 2671813 is about 1634.5681386837. The cubic root of 2671813 is about 138.7614042516.

It can be divided in two parts, 267 and 1813, that added together give a triangular number (2080 = T₆₄).

The spelling of 2671813 in words is "two million, six hundred seventy-one thousand, eight hundred thirteen".