254305313 has 2 divisors, whose sum is σ = 254305314. Its totient is φ = 254305312.

The previous prime is 254305309. The next prime is 254305357. The reversal of 254305313 is 313503452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208715809 + 45589504 = 14447^2 + 6752^2 .

It is a cyclic number.

It is not a de Polignac number, because 254305313 - 2² = 254305309 is a prime.

It is a super-3 number, since 3×254305313³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (254305013) 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, 127152656 + 127152657.

It is an arithmetic number, because the mean of its divisors is an integer number (127152657).

Almost surely, 2^254305313 is an apocalyptic number.

It is an amenable number.

254305313 is a deficient number, since it is larger than the sum of its proper divisors (1).

254305313 is an equidigital number, since it uses as much as digits as its factorization.

254305313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 254305313 is about 15946.9530945570. The cubic root of 254305313 is about 633.5561989128.

Adding to 254305313 its reverse (313503452), we get a palindrome (567808765).

The spelling of 254305313 in words is "two hundred fifty-four million, three hundred five thousand, three hundred thirteen".