426244531 has 4 divisors (see below), whose sum is σ = 426439872. Its totient is φ = 426049192.

The previous prime is 426244529. The next prime is 426244541. The reversal of 426244531 is 135442624.

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

It is a cyclic number.

It is not a de Polignac number, because 426244531 - 2¹ = 426244529 is a prime.

It is a super-2 number, since 2×426244531² = 363368800414819922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426244493 and 426244502.

It is not an unprimeable number, because it can be changed into a prime (426244541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94360 + ... + 98773.

It is an arithmetic number, because the mean of its divisors is an integer number (106609968).

Almost surely, 2^426244531 is an apocalyptic number.

426244531 is a deficient number, since it is larger than the sum of its proper divisors (195341).

426244531 is a wasteful number, since it uses less digits than its factorization.

426244531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195340.

The product of its digits is 23040, while the sum is 31.

The square root of 426244531 is about 20645.6903735380. The cubic root of 426244531 is about 752.5804631347.

The spelling of 426244531 in words is "four hundred twenty-six million, two hundred forty-four thousand, five hundred thirty-one".