531241145041 has 4 divisors (see below), whose sum is σ = 531243285300. Its totient is φ = 531239004784.

The previous prime is 531241145003. The next prime is 531241145063. The reversal of 531241145041 is 140541142135.

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 242733582400 + 288507562641 = 492680^2 + 537129^2 .

It is a cyclic number.

It is not a de Polignac number, because 531241145041 - 2¹⁷ = 531241013969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531241144994 and 531241145012.

It is not an unprimeable number, because it can be changed into a prime (531241145741) 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, 640246 + ... + 1213423.

It is an arithmetic number, because the mean of its divisors is an integer number (132810821325).

Almost surely, 2^531241145041 is an apocalyptic number.

It is an amenable number.

531241145041 is a deficient number, since it is larger than the sum of its proper divisors (2140259).

531241145041 is a wasteful number, since it uses less digits than its factorization.

531241145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140258.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 531241145041 its reverse (140541142135), we get a palindrome (671782287176).

The spelling of 531241145041 in words is "five hundred thirty-one billion, two hundred forty-one million, one hundred forty-five thousand, forty-one".