2055217 has 2 divisors, whose sum is σ = 2055218. Its totient is φ = 2055216.

The previous prime is 2055203. The next prime is 2055223. The reversal of 2055217 is 7125502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1962801 + 92416 = 1401^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055217 - 2⁷ = 2055089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2055247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027608 + 1027609.

It is an arithmetic number, because the mean of its divisors is an integer number (1027609).

2^2055217 is an apocalyptic number.

It is an amenable number.

2055217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055217 is an equidigital number, since it uses as much as digits as its factorization.

2055217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2055217 is about 1433.6028041267. The cubic root of 2055217 is about 127.1410795045.

The spelling of 2055217 in words is "two million, fifty-five thousand, two hundred seventeen".