250100161 has 2 divisors, whose sum is σ = 250100162. Its totient is φ = 250100160.

The previous prime is 250100153. The next prime is 250100167. The reversal of 250100161 is 161001052.

It is a happy number.

250100161 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., 214769025 + 35331136 = 14655^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 250100161 - 2³ = 250100153 is a prime.

It is not a weakly prime, because it can be changed into another prime (250100167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125050080 + 125050081.

It is an arithmetic number, because the mean of its divisors is an integer number (125050081).

Almost surely, 2^250100161 is an apocalyptic number.

It is an amenable number.

250100161 is a deficient number, since it is larger than the sum of its proper divisors (1).

250100161 is an equidigital number, since it uses as much as digits as its factorization.

250100161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 250100161 is about 15814.5553525858. Note that the first 3 decimals coincide. The cubic root of 250100161 is about 630.0446436827.

The spelling of 250100161 in words is "two hundred fifty million, one hundred thousand, one hundred sixty-one".