426291133 has 4 divisors (see below), whose sum is σ = 451367100. Its totient is φ = 401215168.

The previous prime is 426291113. The next prime is 426291149. The reversal of 426291133 is 331192624.

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 365497924 + 60793209 = 19118^2 + 7797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426291133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426291095 and 426291104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426291113) 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, 12537958 + ... + 12537991.

It is an arithmetic number, because the mean of its divisors is an integer number (112841775).

Almost surely, 2^426291133 is an apocalyptic number.

It is an amenable number.

426291133 is a deficient number, since it is larger than the sum of its proper divisors (25075967).

426291133 is a wasteful number, since it uses less digits than its factorization.

426291133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25075966.

The product of its digits is 7776, while the sum is 31.

The square root of 426291133 is about 20646.8189559554. The cubic root of 426291133 is about 752.6078890793.

The spelling of 426291133 in words is "four hundred twenty-six million, two hundred ninety-one thousand, one hundred thirty-three".