18014537 has 2 divisors, whose sum is σ = 18014538. Its totient is φ = 18014536.

The previous prime is 18014533. The next prime is 18014567. The reversal of 18014537 is 73541081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10374841 + 7639696 = 3221^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 18014537 - 2² = 18014533 is a prime.

It is not a weakly prime, because it can be changed into another prime (18014533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9007268 + 9007269.

It is an arithmetic number, because the mean of its divisors is an integer number (9007269).

Almost surely, 2^18014537 is an apocalyptic number.

It is an amenable number.

18014537 is a deficient number, since it is larger than the sum of its proper divisors (1).

18014537 is an equidigital number, since it uses as much as digits as its factorization.

18014537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18014537 is about 4244.3535432384. The cubic root of 18014537 is about 262.1446717657.

The spelling of 18014537 in words is "eighteen million, fourteen thousand, five hundred thirty-seven".