426020539 has 4 divisors (see below), whose sum is σ = 486880624. Its totient is φ = 365160456.

The previous prime is 426020531. The next prime is 426020587. The reversal of 426020539 is 935020624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426020539 - 2³ = 426020531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426020539.

It is not an unprimeable number, because it can be changed into a prime (426020531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30430032 + ... + 30430045.

It is an arithmetic number, because the mean of its divisors is an integer number (121720156).

Almost surely, 2^426020539 is an apocalyptic number.

426020539 is a deficient number, since it is larger than the sum of its proper divisors (60860085).

426020539 is an equidigital number, since it uses as much as digits as its factorization.

426020539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60860084.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 426020539 is about 20640.2649934539. The cubic root of 426020539 is about 752.4486127313.

The spelling of 426020539 in words is "four hundred twenty-six million, twenty thousand, five hundred thirty-nine".