8473813 has 2 divisors, whose sum is σ = 8473814. Its totient is φ = 8473812.

The previous prime is 8473811. The next prime is 8473831. The reversal of 8473813 is 3183748.

Together with next prime (8473831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 311364 = 2857^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 8473813 - 2¹ = 8473811 is a prime.

Together with 8473811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8473811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236906 + 4236907.

It is an arithmetic number, because the mean of its divisors is an integer number (4236907).

Almost surely, 2^8473813 is an apocalyptic number.

It is an amenable number.

8473813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8473813 is an equidigital number, since it uses as much as digits as its factorization.

8473813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 8473813 is about 2910.9814496145. The cubic root of 8473813 is about 203.8729585148.

It can be divided in two parts, 847 and 3813, that multiplied together give a triangular number (3229611 = T₂₅₄₁).

The spelling of 8473813 in words is "eight million, four hundred seventy-three thousand, eight hundred thirteen".