426313805 has 4 divisors (see below), whose sum is σ = 511576572. Its totient is φ = 341051040.

The previous prime is 426313801. The next prime is 426313819. The reversal of 426313805 is 508313624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 257859364 + 168454441 = 16058^2 + 12979^2 .

It is not a de Polignac number, because 426313805 - 2² = 426313801 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 (426313801) 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, 42631376 + ... + 42631385.

It is an arithmetic number, because the mean of its divisors is an integer number (127894143).

Almost surely, 2^426313805 is an apocalyptic number.

It is an amenable number.

426313805 is a deficient number, since it is larger than the sum of its proper divisors (85262767).

426313805 is an equidigital number, since it uses as much as digits as its factorization.

426313805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85262766.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 426313805 is about 20647.3679920710. The cubic root of 426313805 is about 752.6212311533.

The spelling of 426313805 in words is "four hundred twenty-six million, three hundred thirteen thousand, eight hundred five".