531441242 has 8 divisors (see below), whose sum is σ = 800126100. Its totient is φ = 264732544.

The previous prime is 531441223. The next prime is 531441283. The reversal of 531441242 is 242144135.

It can be written as a sum of positive squares in 2 ways, for example, as 442723681 + 88717561 = 21041^2 + 9419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 493367 + ... + 494442.

Almost surely, 2^531441242 is an apocalyptic number.

531441242 is a deficient number, since it is larger than the sum of its proper divisors (268684858).

531441242 is a wasteful number, since it uses less digits than its factorization.

531441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988080.

The product of its digits is 3840, while the sum is 26.

The square root of 531441242 is about 23053.0093914005. The cubic root of 531441242 is about 810.0001229487. Note that the first 3 decimals are identical.

Adding to 531441242 its reverse (242144135), we get a palindrome (773585377).

The spelling of 531441242 in words is "five hundred thirty-one million, four hundred forty-one thousand, two hundred forty-two".