428110213 has 2 divisors, whose sum is σ = 428110214. Its totient is φ = 428110212.

The previous prime is 428110187. The next prime is 428110237. The reversal of 428110213 is 312011824.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418734369 + 9375844 = 20463^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 428110213 - 2⁹ = 428109701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428110283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214055106 + 214055107.

It is an arithmetic number, because the mean of its divisors is an integer number (214055107).

Almost surely, 2^428110213 is an apocalyptic number.

It is an amenable number.

428110213 is a deficient number, since it is larger than the sum of its proper divisors (1).

428110213 is an equidigital number, since it uses as much as digits as its factorization.

428110213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 428110213 is about 20690.8243673373. The cubic root of 428110213 is about 753.6768855959.

The spelling of 428110213 in words is "four hundred twenty-eight million, one hundred ten thousand, two hundred thirteen".