428455361 has 2 divisors, whose sum is σ = 428455362. Its totient is φ = 428455360.

The previous prime is 428455351. The next prime is 428455381. The reversal of 428455361 is 163554824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372490000 + 55965361 = 19300^2 + 7481^2 .

It is a cyclic number.

It is not a de Polignac number, because 428455361 - 2¹⁰ = 428454337 is a prime.

It is not a weakly prime, because it can be changed into another prime (428455351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214227680 + 214227681.

It is an arithmetic number, because the mean of its divisors is an integer number (214227681).

Almost surely, 2^428455361 is an apocalyptic number.

It is an amenable number.

428455361 is a deficient number, since it is larger than the sum of its proper divisors (1).

428455361 is an equidigital number, since it uses as much as digits as its factorization.

428455361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 38.

The square root of 428455361 is about 20699.1632922686. The cubic root of 428455361 is about 753.8793725462.

The spelling of 428455361 in words is "four hundred twenty-eight million, four hundred fifty-five thousand, three hundred sixty-one".