428535539 has 2 divisors, whose sum is σ = 428535540. Its totient is φ = 428535538.

The previous prime is 428535533. The next prime is 428535559. The reversal of 428535539 is 935535824.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428535539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428535539.

It is not a weakly prime, because it can be changed into another prime (428535533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214267769 + 214267770.

It is an arithmetic number, because the mean of its divisors is an integer number (214267770).

Almost surely, 2^428535539 is an apocalyptic number.

428535539 is a deficient number, since it is larger than the sum of its proper divisors (1).

428535539 is an equidigital number, since it uses as much as digits as its factorization.

428535539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 44.

The square root of 428535539 is about 20701.0999466212. The cubic root of 428535539 is about 753.9263947690.

The spelling of 428535539 in words is "four hundred twenty-eight million, five hundred thirty-five thousand, five hundred thirty-nine".