254066101 has 2 divisors, whose sum is σ = 254066102. Its totient is φ = 254066100.

The previous prime is 254066063. The next prime is 254066143. The reversal of 254066101 is 101660452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196700625 + 57365476 = 14025^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 254066101 - 2¹⁵ = 254033333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254066191) 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, 127033050 + 127033051.

It is an arithmetic number, because the mean of its divisors is an integer number (127033051).

Almost surely, 2^254066101 is an apocalyptic number.

It is an amenable number.

254066101 is a deficient number, since it is larger than the sum of its proper divisors (1).

254066101 is an equidigital number, since it uses as much as digits as its factorization.

254066101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 254066101 is about 15939.4510884158. The cubic root of 254066101 is about 633.3574852901.

The spelling of 254066101 in words is "two hundred fifty-four million, sixty-six thousand, one hundred one".