2544000197 has 2 divisors, whose sum is σ = 2544000198. Its totient is φ = 2544000196.

The previous prime is 2544000191. The next prime is 2544000227. The reversal of 2544000197 is 7910004452.

It is a happy number.

2544000197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1302776836 + 1241223361 = 36094^2 + 35231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544000197 - 2¹⁸ = 2543738053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544000191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272000098 + 1272000099.

It is an arithmetic number, because the mean of its divisors is an integer number (1272000099).

Almost surely, 2^2544000197 is an apocalyptic number.

It is an amenable number.

2544000197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544000197 is an equidigital number, since it uses as much as digits as its factorization.

2544000197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2544000197 is about 50438.0828045635. The cubic root of 2544000197 is about 1365.1248745485.

The spelling of 2544000197 in words is "two billion, five hundred forty-four million, one hundred ninety-seven", and thus it is an aban number.