250412213 has 2 divisors, whose sum is σ = 250412214. Its totient is φ = 250412212.

The previous prime is 250412171. The next prime is 250412219. The reversal of 250412213 is 312214052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224940004 + 25472209 = 14998^2 + 5047^2 .

It is a cyclic number.

It is not a de Polignac number, because 250412213 - 2⁸ = 250411957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250412219) 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, 125206106 + 125206107.

It is an arithmetic number, because the mean of its divisors is an integer number (125206107).

Almost surely, 2^250412213 is an apocalyptic number.

It is an amenable number.

250412213 is a deficient number, since it is larger than the sum of its proper divisors (1).

250412213 is an equidigital number, since it uses as much as digits as its factorization.

250412213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 250412213 is about 15824.4182515504. The cubic root of 250412213 is about 630.3065720474.

Adding to 250412213 its reverse (312214052), we get a palindrome (562626265).

The spelling of 250412213 in words is "two hundred fifty million, four hundred twelve thousand, two hundred thirteen".