18536701 has 2 divisors, whose sum is σ = 18536702. Its totient is φ = 18536700.

The previous prime is 18536699. The next prime is 18536717. The reversal of 18536701 is 10763581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17214201 + 1322500 = 4149^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 18536701 - 2¹ = 18536699 is a prime.

Together with 18536699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18536101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9268350 + 9268351.

It is an arithmetic number, because the mean of its divisors is an integer number (9268351).

Almost surely, 2^18536701 is an apocalyptic number.

It is an amenable number.

18536701 is a deficient number, since it is larger than the sum of its proper divisors (1).

18536701 is an equidigital number, since it uses as much as digits as its factorization.

18536701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 18536701 is about 4305.4269242434. The cubic root of 18536701 is about 264.6534023417.

The spelling of 18536701 in words is "eighteen million, five hundred thirty-six thousand, seven hundred one".