18252943 has 2 divisors, whose sum is σ = 18252944. Its totient is φ = 18252942.

The previous prime is 18252887. The next prime is 18252953. The reversal of 18252943 is 34925281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18252943 - 2⁹ = 18252431 is a prime.

It is a super-2 number, since 2×18252943² = 666339856322498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18252899 and 18252908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18252953) 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, 9126471 + 9126472.

It is an arithmetic number, because the mean of its divisors is an integer number (9126472).

Almost surely, 2^18252943 is an apocalyptic number.

18252943 is a deficient number, since it is larger than the sum of its proper divisors (1).

18252943 is an equidigital number, since it uses as much as digits as its factorization.

18252943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 18252943 is about 4272.3463108695. The cubic root of 18252943 is about 263.2960229501.

The spelling of 18252943 in words is "eighteen million, two hundred fifty-two thousand, nine hundred forty-three".