250030061 has 2 divisors, whose sum is σ = 250030062. Its totient is φ = 250030060.

The previous prime is 250030057. The next prime is 250030111. The reversal of 250030061 is 160030052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163353961 + 86676100 = 12781^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 250030061 - 2² = 250030057 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 (250030021) 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, 125015030 + 125015031.

It is an arithmetic number, because the mean of its divisors is an integer number (125015031).

Almost surely, 2^250030061 is an apocalyptic number.

It is an amenable number.

250030061 is a deficient number, since it is larger than the sum of its proper divisors (1).

250030061 is an equidigital number, since it uses as much as digits as its factorization.

250030061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 250030061 is about 15812.3388845547. The cubic root of 250030061 is about 629.9857735933.

Subtracting from 250030061 its reverse (160030052), we obtain a palindrome (90000009).

The spelling of 250030061 in words is "two hundred fifty million, thirty thousand, sixty-one".