2054197 has 2 divisors, whose sum is σ = 2054198. Its totient is φ = 2054196.

The previous prime is 2054189. The next prime is 2054207. The reversal of 2054197 is 7914502.

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., 1522756 + 531441 = 1234^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054197 - 2³ = 2054189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027098 + 1027099.

It is an arithmetic number, because the mean of its divisors is an integer number (1027099).

2^2054197 is an apocalyptic number.

It is an amenable number.

2054197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054197 is an equidigital number, since it uses as much as digits as its factorization.

2054197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2054197 is about 1433.2470129046. The cubic root of 2054197 is about 127.1200427380.

Adding to 2054197 its reverse (7914502), we get a palindrome (9968699).

The spelling of 2054197 in words is "two million, fifty-four thousand, one hundred ninety-seven".