2148659 has 2 divisors, whose sum is σ = 2148660. Its totient is φ = 2148658.

The previous prime is 2148649. The next prime is 2148661. The reversal of 2148659 is 9568412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2148659 - 2⁸ = 2148403 is a prime.

Together with 2148661, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²⁰ + 1 + 4¹⁰ + 8⁴ + 6⁶ + 5² + 9³ .

It is not a weakly prime, because it can be changed into another prime (2148649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074329 + 1074330.

It is an arithmetic number, because the mean of its divisors is an integer number (1074330).

2^2148659 is an apocalyptic number.

2148659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148659 is an equidigital number, since it uses as much as digits as its factorization.

2148659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 2148659 is about 1465.8304813313. The cubic root of 2148659 is about 129.0394487048.

The spelling of 2148659 in words is "two million, one hundred forty-eight thousand, six hundred fifty-nine".