428654203 has 2 divisors, whose sum is σ = 428654204. Its totient is φ = 428654202.

The previous prime is 428654189. The next prime is 428654207. The reversal of 428654203 is 302456824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428654203 is a prime.

It is not a weakly prime, because it can be changed into another prime (428654207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214327101 + 214327102.

It is an arithmetic number, because the mean of its divisors is an integer number (214327102).

Almost surely, 2^428654203 is an apocalyptic number.

428654203 is a deficient number, since it is larger than the sum of its proper divisors (1).

428654203 is an equidigital number, since it uses as much as digits as its factorization.

428654203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 428654203 is about 20703.9658761311. The cubic root of 428654203 is about 753.9959772246.

The spelling of 428654203 in words is "four hundred twenty-eight million, six hundred fifty-four thousand, two hundred three".