2054213197 has 2 divisors, whose sum is σ = 2054213198. Its totient is φ = 2054213196.

The previous prime is 2054213153. The next prime is 2054213263. The reversal of 2054213197 is 7913124502.

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., 1235452201 + 818760996 = 35149^2 + 28614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054213197 - 2¹¹ = 2054211149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054213297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027106598 + 1027106599.

It is an arithmetic number, because the mean of its divisors is an integer number (1027106599).

Almost surely, 2^2054213197 is an apocalyptic number.

It is an amenable number.

2054213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054213197 is an equidigital number, since it uses as much as digits as its factorization.

2054213197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2054213197 is about 45323.4287868868. The cubic root of 2054213197 is about 1271.2037684384.

Adding to 2054213197 its reverse (7913124502), we get a palindrome (9967337699).

The spelling of 2054213197 in words is "two billion, fifty-four million, two hundred thirteen thousand, one hundred ninety-seven".