426820575 has 12 divisors (see below), whose sum is σ = 705676808. Its totient is φ = 227637600.

The previous prime is 426820531. The next prime is 426820601. The reversal of 426820575 is 575028624.

It is not a de Polignac number, because 426820575 - 2⁸ = 426820319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2845396 + ... + 2845545.

Almost surely, 2^426820575 is an apocalyptic number.

426820575 is a deficient number, since it is larger than the sum of its proper divisors (278856233).

426820575 is a wasteful number, since it uses less digits than its factorization.

426820575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690954 (or 5690949 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 426820575 is about 20659.6363714369. The cubic root of 426820575 is about 752.9193330270.

The spelling of 426820575 in words is "four hundred twenty-six million, eight hundred twenty thousand, five hundred seventy-five".