18246601 has 2 divisors, whose sum is σ = 18246602. Its totient is φ = 18246600.

The previous prime is 18246583. The next prime is 18246611. The reversal of 18246601 is 10664281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18020025 + 226576 = 4245^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 18246601 - 2⁹ = 18246089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18246601.

It is not a weakly prime, because it can be changed into another prime (18246611) 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, 9123300 + 9123301.

It is an arithmetic number, because the mean of its divisors is an integer number (9123301).

Almost surely, 2^18246601 is an apocalyptic number.

It is an amenable number.

18246601 is a deficient number, since it is larger than the sum of its proper divisors (1).

18246601 is an equidigital number, since it uses as much as digits as its factorization.

18246601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18246601 is about 4271.6040312744. The cubic root of 18246601 is about 263.2655252781.

The spelling of 18246601 in words is "eighteen million, two hundred forty-six thousand, six hundred one".