254343121 has 2 divisors, whose sum is σ = 254343122. Its totient is φ = 254343120.

The previous prime is 254343109. The next prime is 254343161. The reversal of 254343121 is 121343452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246835521 + 7507600 = 15711^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 254343121 - 2²⁷ = 120125393 is a prime.

It is not a weakly prime, because it can be changed into another prime (254343161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127171560 + 127171561.

It is an arithmetic number, because the mean of its divisors is an integer number (127171561).

Almost surely, 2^254343121 is an apocalyptic number.

It is an amenable number.

254343121 is a deficient number, since it is larger than the sum of its proper divisors (1).

254343121 is an equidigital number, since it uses as much as digits as its factorization.

254343121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 254343121 is about 15948.1384807130. The cubic root of 254343121 is about 633.5875946467.

Adding to 254343121 its reverse (121343452), we get a palindrome (375686573).

It can be divided in two parts, 2543431 and 21, that added together give a palindrome (2543452).

The spelling of 254343121 in words is "two hundred fifty-four million, three hundred forty-three thousand, one hundred twenty-one".