531245441322453 has 48 divisors (see below), whose sum is σ = 839012932463616. Its totient is φ = 296390435814720.

The previous prime is 531245441322451. The next prime is 531245441322487. The reversal of 531245441322453 is 354223144542135.

It is not a de Polignac number, because 531245441322453 - 2¹ = 531245441322451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531245441322451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127730475 + ... + 131823992.

It is an arithmetic number, because the mean of its divisors is an integer number (17479436092992).

Almost surely, 2^{531245441322453} is an apocalyptic number.

It is an amenable number.

531245441322453 is a deficient number, since it is larger than the sum of its proper divisors (307767491141163).

531245441322453 is a wasteful number, since it uses less digits than its factorization.

531245441322453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259554874 (or 259554861 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 48.

Adding to 531245441322453 its reverse (354223144542135), we get a palindrome (885468585864588).

The spelling of 531245441322453 in words is "five hundred thirty-one trillion, two hundred forty-five billion, four hundred forty-one million, three hundred twenty-two thousand, four hundred fifty-three".