18276101 has 2 divisors, whose sum is σ = 18276102. Its totient is φ = 18276100.

The previous prime is 18276077. The next prime is 18276107. The reversal of 18276101 is 10167281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18267076 + 9025 = 4274^2 + 95^2 .

It is an emirp because it is prime and its reverse (10167281) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18276101 is a prime.

It is a Chen prime.

It is equal to p_1167821 and since 18276101 and 1167821 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18276107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9138050 + 9138051.

It is an arithmetic number, because the mean of its divisors is an integer number (9138051).

Almost surely, 2^18276101 is an apocalyptic number.

It is an amenable number.

18276101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18276101 is an equidigital number, since it uses as much as digits as its factorization.

18276101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 18276101 is about 4275.0556721521. The cubic root of 18276101 is about 263.4073261423.

The spelling of 18276101 in words is "eighteen million, two hundred seventy-six thousand, one hundred one".