2159233 has 2 divisors, whose sum is σ = 2159234. Its totient is φ = 2159232.

The previous prime is 2159231. The next prime is 2159237. The reversal of 2159233 is 3329512.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1507984 + 651249 = 1228^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159233 - 2¹ = 2159231 is a prime.

Together with 2159231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2159198 and 2159207.

It is not a weakly prime, because it can be changed into another prime (2159231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079616 + 1079617.

It is an arithmetic number, because the mean of its divisors is an integer number (1079617).

2^2159233 is an apocalyptic number.

It is an amenable number.

2159233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159233 is an equidigital number, since it uses as much as digits as its factorization.

2159233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 2159233 is about 1469.4328838025. The cubic root of 2159233 is about 129.2507791145.

The spelling of 2159233 in words is "two million, one hundred fifty-nine thousand, two hundred thirty-three".