254443061 has 2 divisors, whose sum is σ = 254443062. Its totient is φ = 254443060.

The previous prime is 254443051. The next prime is 254443087. The reversal of 254443061 is 160344452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237344836 + 17098225 = 15406^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 254443061 - 2¹⁰ = 254442037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254443051) 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, 127221530 + 127221531.

It is an arithmetic number, because the mean of its divisors is an integer number (127221531).

Almost surely, 2^254443061 is an apocalyptic number.

It is an amenable number.

254443061 is a deficient number, since it is larger than the sum of its proper divisors (1).

254443061 is an equidigital number, since it uses as much as digits as its factorization.

254443061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 254443061 is about 15951.2714540252. The cubic root of 254443061 is about 633.6705697660.

The spelling of 254443061 in words is "two hundred fifty-four million, four hundred forty-three thousand, sixty-one".