2185433 has 2 divisors, whose sum is σ = 2185434. Its totient is φ = 2185432.

The previous prime is 2185429. The next prime is 2185439. The reversal of 2185433 is 3345812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 300304 = 1373^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2185433 - 2² = 2185429 is a prime.

It is a super-2 number, since 2×2185433² = 9552234794978, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₁₆₁₆₈₄ and since 2185433 and 161684 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2185439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092716 + 1092717.

It is an arithmetic number, because the mean of its divisors is an integer number (1092717).

2^2185433 is an apocalyptic number.

It is an amenable number.

2185433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185433 is an equidigital number, since it uses as much as digits as its factorization.

2185433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 2185433 is about 1478.3210070888. The cubic root of 2185433 is about 129.7714524791.

The spelling of 2185433 in words is "two million, one hundred eighty-five thousand, four hundred thirty-three".