818358103 has 2 divisors, whose sum is σ = 818358104. Its totient is φ = 818358102.

The previous prime is 818358097. The next prime is 818358131. The reversal of 818358103 is 301853818.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818358103 - 2⁵ = 818358071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818356103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409179051 + 409179052.

It is an arithmetic number, because the mean of its divisors is an integer number (409179052).

Almost surely, 2^818358103 is an apocalyptic number.

818358103 is a deficient number, since it is larger than the sum of its proper divisors (1).

818358103 is an equidigital number, since it uses as much as digits as its factorization.

818358103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 818358103 is about 28606.9589960205. The cubic root of 818358103 is about 935.3650296718.

The spelling of 818358103 in words is "eight hundred eighteen million, three hundred fifty-eight thousand, one hundred three".