420982559 has 6 divisors (see below), whose sum is σ = 432669384. Its totient is φ = 409603320.

The previous prime is 420982553. The next prime is 420982571. The reversal of 420982559 is 955289024.

It is not a de Polignac number, because 420982559 - 2¹⁶ = 420917023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420982553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152387 + ... + 155124.

It is an arithmetic number, because the mean of its divisors is an integer number (72111564).

Almost surely, 2^420982559 is an apocalyptic number.

420982559 is a deficient number, since it is larger than the sum of its proper divisors (11686825).

420982559 is an equidigital number, since it uses as much as digits as its factorization.

420982559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307585 (or 307548 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 420982559 is about 20517.8595131169. The cubic root of 420982559 is about 749.4707727199.

It can be divided in two parts, 4209 and 82559, that added together give a palindrome (86768).

The spelling of 420982559 in words is "four hundred twenty million, nine hundred eighty-two thousand, five hundred fifty-nine".