250660213 has 2 divisors, whose sum is σ = 250660214. Its totient is φ = 250660212.

The previous prime is 250660181. The next prime is 250660231. The reversal of 250660213 is 312066052.

Together with next prime (250660231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243141649 + 7518564 = 15593^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 250660213 - 2⁵ = 250660181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250660243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125330106 + 125330107.

It is an arithmetic number, because the mean of its divisors is an integer number (125330107).

Almost surely, 2^250660213 is an apocalyptic number.

It is an amenable number.

250660213 is a deficient number, since it is larger than the sum of its proper divisors (1).

250660213 is an equidigital number, since it uses as much as digits as its factorization.

250660213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 250660213 is about 15832.2523034469. The cubic root of 250660213 is about 630.5145816768.

The spelling of 250660213 in words is "two hundred fifty million, six hundred sixty thousand, two hundred thirteen".