254535161 has 2 divisors, whose sum is σ = 254535162. Its totient is φ = 254535160.

The previous prime is 254535137. The next prime is 254535163. The reversal of 254535161 is 161535452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218005225 + 36529936 = 14765^2 + 6044^2 .

It is a cyclic number.

It is not a de Polignac number, because 254535161 - 2¹⁴ = 254518777 is a prime.

Together with 254535163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254535163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127267580 + 127267581.

It is an arithmetic number, because the mean of its divisors is an integer number (127267581).

Almost surely, 2^254535161 is an apocalyptic number.

It is an amenable number.

254535161 is a deficient number, since it is larger than the sum of its proper divisors (1).

254535161 is an equidigital number, since it uses as much as digits as its factorization.

254535161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 32.

The square root of 254535161 is about 15954.1581100351. The cubic root of 254535161 is about 633.7470164951.

The spelling of 254535161 in words is "two hundred fifty-four million, five hundred thirty-five thousand, one hundred sixty-one".