254545397 has 2 divisors, whose sum is σ = 254545398. Its totient is φ = 254545396.

The previous prime is 254545391. The next prime is 254545399. The reversal of 254545397 is 793545452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239599441 + 14945956 = 15479^2 + 3866^2 .

It is a cyclic number.

It is not a de Polignac number, because 254545397 - 2⁸ = 254545141 is a prime.

Together with 254545399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254545391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127272698 + 127272699.

It is an arithmetic number, because the mean of its divisors is an integer number (127272699).

Almost surely, 2^254545397 is an apocalyptic number.

It is an amenable number.

254545397 is a deficient number, since it is larger than the sum of its proper divisors (1).

254545397 is an equidigital number, since it uses as much as digits as its factorization.

254545397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 44.

The square root of 254545397 is about 15954.4789009231. The cubic root of 254545397 is about 633.7555116509.

The spelling of 254545397 in words is "two hundred fifty-four million, five hundred forty-five thousand, three hundred ninety-seven".