18052449 has 4 divisors (see below), whose sum is σ = 24069936. Its totient is φ = 12034964.

The previous prime is 18052427. The next prime is 18052469. The reversal of 18052449 is 94425081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18052449 - 2¹⁷ = 17921377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18052469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008739 + ... + 3008744.

It is an arithmetic number, because the mean of its divisors is an integer number (6017484).

Almost surely, 2^18052449 is an apocalyptic number.

It is an amenable number.

18052449 is a deficient number, since it is larger than the sum of its proper divisors (6017487).

18052449 is an equidigital number, since it uses as much as digits as its factorization.

18052449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017486.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 18052449 is about 4248.8173648675. The cubic root of 18052449 is about 262.3284393724.

The spelling of 18052449 in words is "eighteen million, fifty-two thousand, four hundred forty-nine".