254221061 has 2 divisors, whose sum is σ = 254221062. Its totient is φ = 254221060.

The previous prime is 254221013. The next prime is 254221067. The reversal of 254221061 is 160122452.

It is a happy number.

254221061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190716100 + 63504961 = 13810^2 + 7969^2 .

It is a cyclic number.

It is not a de Polignac number, because 254221061 - 2⁶ = 254220997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254221067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127110530 + 127110531.

It is an arithmetic number, because the mean of its divisors is an integer number (127110531).

Almost surely, 2^254221061 is an apocalyptic number.

It is an amenable number.

254221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

254221061 is an equidigital number, since it uses as much as digits as its factorization.

254221061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 254221061 is about 15944.3112425718. The cubic root of 254221061 is about 633.4862249222.

The spelling of 254221061 in words is "two hundred fifty-four million, two hundred twenty-one thousand, sixty-one".