18733061 has 2 divisors, whose sum is σ = 18733062. Its totient is φ = 18733060.

The previous prime is 18733049. The next prime is 18733087. The reversal of 18733061 is 16033781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 8300161 = 3230^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 18733061 - 2¹⁰ = 18732037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18733261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9366530 + 9366531.

It is an arithmetic number, because the mean of its divisors is an integer number (9366531).

Almost surely, 2^18733061 is an apocalyptic number.

It is an amenable number.

18733061 is a deficient number, since it is larger than the sum of its proper divisors (1).

18733061 is an equidigital number, since it uses as much as digits as its factorization.

18733061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 18733061 is about 4328.1706297234. The cubic root of 18733061 is about 265.5846165320.

The spelling of 18733061 in words is "eighteen million, seven hundred thirty-three thousand, sixty-one".