18027051 has 16 divisors (see below), whose sum is σ = 28032000. Its totient is φ = 10300584.

The previous prime is 18027043. The next prime is 18027059. The reversal of 18027051 is 15072081.

It is an interprime number because it is at equal distance from previous prime (18027043) and next prime (18027059).

It is not a de Polignac number, because 18027051 - 2³ = 18027043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18027059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7731 + ... + 9788.

It is an arithmetic number, because the mean of its divisors is an integer number (1752000).

Almost surely, 2^18027051 is an apocalyptic number.

18027051 is a deficient number, since it is larger than the sum of its proper divisors (10004949).

18027051 is an equidigital number, since it uses as much as digits as its factorization.

18027051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543 (or 17529 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 18027051 is about 4245.8274811867. The cubic root of 18027051 is about 262.2053582936.

The spelling of 18027051 in words is "eighteen million, twenty-seven thousand, fifty-one".