254297117 has 2 divisors, whose sum is σ = 254297118. Its totient is φ = 254297116.

The previous prime is 254297111. The next prime is 254297149. The reversal of 254297117 is 711792452.

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., 254274916 + 22201 = 15946^2 + 149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254297117 is a prime.

It is a super-3 number, since 3×254297117³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254297111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127148558 + 127148559.

It is an arithmetic number, because the mean of its divisors is an integer number (127148559).

Almost surely, 2^254297117 is an apocalyptic number.

It is an amenable number.

254297117 is a deficient number, since it is larger than the sum of its proper divisors (1).

254297117 is an equidigital number, since it uses as much as digits as its factorization.

254297117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 254297117 is about 15946.6961154968. The cubic root of 254297117 is about 633.5493925504.

The spelling of 254297117 in words is "two hundred fifty-four million, two hundred ninety-seven thousand, one hundred seventeen".