250020149 has 2 divisors, whose sum is σ = 250020150. Its totient is φ = 250020148.

The previous prime is 250020101. The next prime is 250020163. The reversal of 250020149 is 941020052.

250020149 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., 139665124 + 110355025 = 11818^2 + 10505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250020149 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 (250020179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125010074 + 125010075.

It is an arithmetic number, because the mean of its divisors is an integer number (125010075).

Almost surely, 2^250020149 is an apocalyptic number.

It is an amenable number.

250020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

250020149 is an equidigital number, since it uses as much as digits as its factorization.

250020149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 250020149 is about 15812.0254553299. The cubic root of 250020149 is about 629.9774485923.

The spelling of 250020149 in words is "two hundred fifty million, twenty thousand, one hundred forty-nine".