818110541 has 2 divisors, whose sum is σ = 818110542. Its totient is φ = 818110540.

The previous prime is 818110519. The next prime is 818110543. The reversal of 818110541 is 145011818.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607425316 + 210685225 = 24646^2 + 14515^2 .

It is a cyclic number.

It is not a de Polignac number, because 818110541 - 2⁶ = 818110477 is a prime.

Together with 818110543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818110543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409055270 + 409055271.

It is an arithmetic number, because the mean of its divisors is an integer number (409055271).

Almost surely, 2^818110541 is an apocalyptic number.

It is an amenable number.

818110541 is a deficient number, since it is larger than the sum of its proper divisors (1).

818110541 is an equidigital number, since it uses as much as digits as its factorization.

818110541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 818110541 is about 28602.6317145818. The cubic root of 818110541 is about 935.2707008808.

The spelling of 818110541 in words is "eight hundred eighteen million, one hundred ten thousand, five hundred forty-one".