18148853 has 2 divisors, whose sum is σ = 18148854. Its totient is φ = 18148852.

The previous prime is 18148849. The next prime is 18148861. The reversal of 18148853 is 35884181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 7006609 = 3338^2 + 2647^2 .

It is a cyclic number.

It is not a de Polignac number, because 18148853 - 2² = 18148849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18148873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9074426 + 9074427.

It is an arithmetic number, because the mean of its divisors is an integer number (9074427).

Almost surely, 2^18148853 is an apocalyptic number.

It is an amenable number.

18148853 is a deficient number, since it is larger than the sum of its proper divisors (1).

18148853 is an equidigital number, since it uses as much as digits as its factorization.

18148853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 18148853 is about 4260.1470631893. The cubic root of 18148853 is about 262.7945742219.

The spelling of 18148853 in words is "eighteen million, one hundred forty-eight thousand, eight hundred fifty-three".