426531242 has 16 divisors (see below), whose sum is σ = 644115240. Its totient is φ = 211831488.

The previous prime is 426531239. The next prime is 426531253. The reversal of 426531242 is 242135624.

It can be written as a sum of positive squares in 4 ways, for example, as 172160641 + 254370601 = 13121^2 + 15949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212588 + ... + 214584.

Almost surely, 2^426531242 is an apocalyptic number.

426531242 is a deficient number, since it is larger than the sum of its proper divisors (217583998).

426531242 is a wasteful number, since it uses less digits than its factorization.

426531242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its digits is 11520, while the sum is 29.

The square root of 426531242 is about 20652.6328103707. The cubic root of 426531242 is about 752.7491649948.

Adding to 426531242 its reverse (242135624), we get a palindrome (668666866).

The spelling of 426531242 in words is "four hundred twenty-six million, five hundred thirty-one thousand, two hundred forty-two".