810327373 has 2 divisors, whose sum is σ = 810327374. Its totient is φ = 810327372.

The previous prime is 810327359. The next prime is 810327431. The reversal of 810327373 is 373723018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452285289 + 358042084 = 21267^2 + 18922^2 .

It is a cyclic number.

It is not a de Polignac number, because 810327373 - 2⁵ = 810327341 is a prime.

It is a super-2 number, since 2×810327373² = 1313260902866162258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810327313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405163686 + 405163687.

It is an arithmetic number, because the mean of its divisors is an integer number (405163687).

Almost surely, 2^810327373 is an apocalyptic number.

It is an amenable number.

810327373 is a deficient number, since it is larger than the sum of its proper divisors (1).

810327373 is an equidigital number, since it uses as much as digits as its factorization.

810327373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 810327373 is about 28466.2497178676. The cubic root of 810327373 is about 932.2953180844.

The spelling of 810327373 in words is "eight hundred ten million, three hundred twenty-seven thousand, three hundred seventy-three".