811600481 has 2 divisors, whose sum is σ = 811600482. Its totient is φ = 811600480.

The previous prime is 811600469. The next prime is 811600483. The reversal of 811600481 is 184006118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739350481 + 72250000 = 27191^2 + 8500^2 .

It is a cyclic number.

It is not a de Polignac number, because 811600481 - 2¹⁸ = 811338337 is a prime.

It is a super-2 number, since 2×811600481² = 1317390681518862722, which contains 22 as substring.

Together with 811600483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (811600483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405800240 + 405800241.

It is an arithmetic number, because the mean of its divisors is an integer number (405800241).

Almost surely, 2^811600481 is an apocalyptic number.

It is an amenable number.

811600481 is a deficient number, since it is larger than the sum of its proper divisors (1).

811600481 is an equidigital number, since it uses as much as digits as its factorization.

811600481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 811600481 is about 28488.6026508848. The cubic root of 811600481 is about 932.7833066933.

Adding to 811600481 its reverse (184006118), we get a palindrome (995606599).

The spelling of 811600481 in words is "eight hundred eleven million, six hundred thousand, four hundred eighty-one".