254109197 has 2 divisors, whose sum is σ = 254109198. Its totient is φ = 254109196.

The previous prime is 254109181. The next prime is 254109209. The reversal of 254109197 is 791901452.

254109197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213481321 + 40627876 = 14611^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 254109197 - 2⁴ = 254109181 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254109197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254109127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127054598 + 127054599.

It is an arithmetic number, because the mean of its divisors is an integer number (127054599).

Almost surely, 2^254109197 is an apocalyptic number.

It is an amenable number.

254109197 is a deficient number, since it is larger than the sum of its proper divisors (1).

254109197 is an equidigital number, since it uses as much as digits as its factorization.

254109197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 254109197 is about 15940.8028969685. The cubic root of 254109197 is about 633.3932943845.

The spelling of 254109197 in words is "two hundred fifty-four million, one hundred nine thousand, one hundred ninety-seven".