18497029 has 2 divisors, whose sum is σ = 18497030. Its totient is φ = 18497028.

The previous prime is 18497023. The next prime is 18497093. The reversal of 18497029 is 92079481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15000129 + 3496900 = 3873^2 + 1870^2 .

It is a cyclic number.

It is not a de Polignac number, because 18497029 - 2¹¹ = 18494981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18496982 and 18497000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18497023) 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, 9248514 + 9248515.

It is an arithmetic number, because the mean of its divisors is an integer number (9248515).

Almost surely, 2^18497029 is an apocalyptic number.

It is an amenable number.

18497029 is a deficient number, since it is larger than the sum of its proper divisors (1).

18497029 is an equidigital number, since it uses as much as digits as its factorization.

18497029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 18497029 is about 4300.8172479193. The cubic root of 18497029 is about 264.4644649310.

The spelling of 18497029 in words is "eighteen million, four hundred ninety-seven thousand, twenty-nine".