618353101 has 2 divisors, whose sum is σ = 618353102. Its totient is φ = 618353100.

The previous prime is 618353069. The next prime is 618353149. The reversal of 618353101 is 101353816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506205001 + 112148100 = 22499^2 + 10590^2 .

It is a cyclic number.

It is not a de Polignac number, because 618353101 - 2⁵ = 618353069 is a prime.

It is equal to p_32231935 and since 618353101 and 32231935 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 618353101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618353161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309176550 + 309176551.

It is an arithmetic number, because the mean of its divisors is an integer number (309176551).

Almost surely, 2^618353101 is an apocalyptic number.

It is an amenable number.

618353101 is a deficient number, since it is larger than the sum of its proper divisors (1).

618353101 is an equidigital number, since it uses as much as digits as its factorization.

618353101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 618353101 is about 24866.7066778052. The cubic root of 618353101 is about 851.9462213589.

The spelling of 618353101 in words is "six hundred eighteen million, three hundred fifty-three thousand, one hundred one".