254349197 has 2 divisors, whose sum is σ = 254349198. Its totient is φ = 254349196.

The previous prime is 254349191. The next prime is 254349233. The reversal of 254349197 is 791943452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142539721 + 111809476 = 11939^2 + 10574^2 .

It is a cyclic number.

It is not a de Polignac number, because 254349197 - 2⁶ = 254349133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254349191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127174598 + 127174599.

It is an arithmetic number, because the mean of its divisors is an integer number (127174599).

Almost surely, 2^254349197 is an apocalyptic number.

It is an amenable number.

254349197 is a deficient number, since it is larger than the sum of its proper divisors (1).

254349197 is an equidigital number, since it uses as much as digits as its factorization.

254349197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 254349197 is about 15948.3289720271. The cubic root of 254349197 is about 633.5926398622.

The spelling of 254349197 in words is "two hundred fifty-four million, three hundred forty-nine thousand, one hundred ninety-seven".