428514241 has 2 divisors, whose sum is σ = 428514242. Its totient is φ = 428514240.

The previous prime is 428514211. The next prime is 428514259. The reversal of 428514241 is 142415824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296356225 + 132158016 = 17215^2 + 11496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428514241 is a prime.

It is not a weakly prime, because it can be changed into another prime (428514211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214257120 + 214257121.

It is an arithmetic number, because the mean of its divisors is an integer number (214257121).

Almost surely, 2^428514241 is an apocalyptic number.

It is an amenable number.

428514241 is a deficient number, since it is larger than the sum of its proper divisors (1).

428514241 is an equidigital number, since it uses as much as digits as its factorization.

428514241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 31.

The square root of 428514241 is about 20700.5855231199. The cubic root of 428514241 is about 753.9139046417.

The spelling of 428514241 in words is "four hundred twenty-eight million, five hundred fourteen thousand, two hundred forty-one".