18060257 has 2 divisors, whose sum is σ = 18060258. Its totient is φ = 18060256.

The previous prime is 18060247. The next prime is 18060271. The reversal of 18060257 is 75206081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 2819041 = 3904^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 18060257 - 2¹⁴ = 18043873 is a prime.

It is not a weakly prime, because it can be changed into another prime (18060247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9030128 + 9030129.

It is an arithmetic number, because the mean of its divisors is an integer number (9030129).

Almost surely, 2^18060257 is an apocalyptic number.

It is an amenable number.

18060257 is a deficient number, since it is larger than the sum of its proper divisors (1).

18060257 is an equidigital number, since it uses as much as digits as its factorization.

18060257 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 18060257 is about 4249.7361094543. The cubic root of 18060257 is about 262.3662544675.

The spelling of 18060257 in words is "eighteen million, sixty thousand, two hundred fifty-seven".