18052037 has 2 divisors, whose sum is σ = 18052038. Its totient is φ = 18052036.

The previous prime is 18052009. The next prime is 18052043. The reversal of 18052037 is 73025081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 2163841 = 3986^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 18052037 - 2⁶ = 18051973 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18051997 and 18052015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18052637) 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, 9026018 + 9026019.

It is an arithmetic number, because the mean of its divisors is an integer number (9026019).

Almost surely, 2^18052037 is an apocalyptic number.

It is an amenable number.

18052037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18052037 is an equidigital number, since it uses as much as digits as its factorization.

18052037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 18052037 is about 4248.7688805112. The cubic root of 18052037 is about 262.3264437034.

The spelling of 18052037 in words is "eighteen million, fifty-two thousand, thirty-seven".