250530149 has 2 divisors, whose sum is σ = 250530150. Its totient is φ = 250530148.

The previous prime is 250530097. The next prime is 250530167. The reversal of 250530149 is 941035052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240405025 + 10125124 = 15505^2 + 3182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250530149 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250530179) 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, 125265074 + 125265075.

It is an arithmetic number, because the mean of its divisors is an integer number (125265075).

Almost surely, 2^250530149 is an apocalyptic number.

It is an amenable number.

250530149 is a deficient number, since it is larger than the sum of its proper divisors (1).

250530149 is an equidigital number, since it uses as much as digits as its factorization.

250530149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 250530149 is about 15828.1442058126. The cubic root of 250530149 is about 630.4055078090.

The spelling of 250530149 in words is "two hundred fifty million, five hundred thirty thousand, one hundred forty-nine".