18248371 has 2 divisors, whose sum is σ = 18248372. Its totient is φ = 18248370.

The previous prime is 18248357. The next prime is 18248381. The reversal of 18248371 is 17384281.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18248371 - 2¹³ = 18240179 is a prime.

It is not a weakly prime, because it can be changed into another prime (18248381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9124185 + 9124186.

It is an arithmetic number, because the mean of its divisors is an integer number (9124186).

Almost surely, 2^18248371 is an apocalyptic number.

18248371 is a deficient number, since it is larger than the sum of its proper divisors (1).

18248371 is an equidigital number, since it uses as much as digits as its factorization.

18248371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 18248371 is about 4271.8112083752. The cubic root of 18248371 is about 263.2740376382.

The spelling of 18248371 in words is "eighteen million, two hundred forty-eight thousand, three hundred seventy-one".