426561133 has 4 divisors (see below), whose sum is σ = 426617280. Its totient is φ = 426504988.

The previous prime is 426561103. The next prime is 426561137. The reversal of 426561133 is 331165624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426561133 is a prime.

It is a super-3 number, since 3×426561133³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426561095 and 426561104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426561137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14485 + ... + 32602.

It is an arithmetic number, because the mean of its divisors is an integer number (106654320).

Almost surely, 2^426561133 is an apocalyptic number.

It is an amenable number.

426561133 is a deficient number, since it is larger than the sum of its proper divisors (56147).

426561133 is an equidigital number, since it uses as much as digits as its factorization.

426561133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56146.

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

The square root of 426561133 is about 20653.3564584549. The cubic root of 426561133 is about 752.7667486225.

The spelling of 426561133 in words is "four hundred twenty-six million, five hundred sixty-one thousand, one hundred thirty-three".