426205017 has 32 divisors (see below), whose sum is σ = 759603200. Its totient is φ = 230725584.

The previous prime is 426205009. The next prime is 426205027. The reversal of 426205017 is 710502624.

It is not a de Polignac number, because 426205017 - 2³ = 426205009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426205027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55753 + ... + 62934.

It is an arithmetic number, because the mean of its divisors is an integer number (23737600).

Almost surely, 2^426205017 is an apocalyptic number.

It is an amenable number.

426205017 is a deficient number, since it is larger than the sum of its proper divisors (333398183).

426205017 is a wasteful number, since it uses less digits than its factorization.

426205017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118722 (or 118716 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 426205017 is about 20644.7333961957. The cubic root of 426205017 is about 752.5572070135.

The spelling of 426205017 in words is "four hundred twenty-six million, two hundred five thousand, seventeen".