250706149 has 2 divisors, whose sum is σ = 250706150. Its totient is φ = 250706148.

The previous prime is 250706143. The next prime is 250706167. The reversal of 250706149 is 941607052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250209124 + 497025 = 15818^2 + 705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250706149 is a prime.

It is a super-3 number, since 3×250706149³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250706143) 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, 125353074 + 125353075.

It is an arithmetic number, because the mean of its divisors is an integer number (125353075).

Almost surely, 2^250706149 is an apocalyptic number.

It is an amenable number.

250706149 is a deficient number, since it is larger than the sum of its proper divisors (1).

250706149 is an equidigital number, since it uses as much as digits as its factorization.

250706149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 250706149 is about 15833.7029465631. The cubic root of 250706149 is about 630.5530953661.

The spelling of 250706149 in words is "two hundred fifty million, seven hundred six thousand, one hundred forty-nine".