428283539 has 2 divisors, whose sum is σ = 428283540. Its totient is φ = 428283538.

The previous prime is 428283521. The next prime is 428283553. The reversal of 428283539 is 935382824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428283539 - 2¹² = 428279443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428283539.

It is not a weakly prime, because it can be changed into another prime (428286539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214141769 + 214141770.

It is an arithmetic number, because the mean of its divisors is an integer number (214141770).

Almost surely, 2^428283539 is an apocalyptic number.

428283539 is a deficient number, since it is larger than the sum of its proper divisors (1).

428283539 is an equidigital number, since it uses as much as digits as its factorization.

428283539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

The square root of 428283539 is about 20695.0124184548. The cubic root of 428283539 is about 753.7785838429.

The spelling of 428283539 in words is "four hundred twenty-eight million, two hundred eighty-three thousand, five hundred thirty-nine".