254197 has 2 divisors, whose sum is σ = 254198. Its totient is φ = 254196.

The previous prime is 254179. The next prime is 254207. The reversal of 254197 is 791452.

It is a happy number.

Together with previous prime (254179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128881 + 125316 = 359^2 + 354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254197 is a prime.

It is a super-2 number, since 2×254197² = 129232229618, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127098 + 127099.

It is an arithmetic number, because the mean of its divisors is an integer number (127099).

2²⁵⁴¹⁹⁷ is an apocalyptic number.

It is an amenable number.

254197 is a deficient number, since it is larger than the sum of its proper divisors (1).

254197 is an equidigital number, since it uses as much as digits as its factorization.

254197 is an odious number, because the sum of its binary digits is odd.

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

The square root of 254197 is about 504.1795315163. The cubic root of 254197 is about 63.3466238651.

The spelling of 254197 in words is "two hundred fifty-four thousand, one hundred ninety-seven".