18248585 has 8 divisors (see below), whose sum is σ = 22490376. Its totient is φ = 14204160.

The previous prime is 18248563. The next prime is 18248597. The reversal of 18248585 is 58584281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5837056 + 12411529 = 2416^2 + 3523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-18248585 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49136 + ... + 49505.

It is an arithmetic number, because the mean of its divisors is an integer number (2811297).

Almost surely, 2^18248585 is an apocalyptic number.

It is an amenable number.

18248585 is a deficient number, since it is larger than the sum of its proper divisors (4241791).

18248585 is an equidigital number, since it uses as much as digits as its factorization.

18248585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98683.

The product of its digits is 102400, while the sum is 41.

The square root of 18248585 is about 4271.8362562252. The cubic root of 18248585 is about 263.2750667789.

The spelling of 18248585 in words is "eighteen million, two hundred forty-eight thousand, five hundred eighty-five".