254641217 has 2 divisors, whose sum is σ = 254641218. Its totient is φ = 254641216.

The previous prime is 254641169. The next prime is 254641241. The reversal of 254641217 is 712146452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203889841 + 50751376 = 14279^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 254641217 - 2¹⁰ = 254640193 is a prime.

It is not a weakly prime, because it can be changed into another prime (254641297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127320608 + 127320609.

It is an arithmetic number, because the mean of its divisors is an integer number (127320609).

Almost surely, 2^254641217 is an apocalyptic number.

It is an amenable number.

254641217 is a deficient number, since it is larger than the sum of its proper divisors (1).

254641217 is an equidigital number, since it uses as much as digits as its factorization.

254641217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 254641217 is about 15957.4815368842. The cubic root of 254641217 is about 633.8350244288.

Adding to 254641217 its reverse (712146452), we get a palindrome (966787669).

The spelling of 254641217 in words is "two hundred fifty-four million, six hundred forty-one thousand, two hundred seventeen".