531054306544823 has 2 divisors, whose sum is σ = 531054306544824. Its totient is φ = 531054306544822.

The previous prime is 531054306544789. The next prime is 531054306544831. The reversal of 531054306544823 is 328445603450135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531054306544823 - 2³⁴ = 531037126675639 is a prime.

It is a super-2 number, since 2×531054306544823² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531054306544423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265527153272411 + 265527153272412.

It is an arithmetic number, because the mean of its divisors is an integer number (265527153272412).

Almost surely, 2^{531054306544823} is an apocalyptic number.

531054306544823 is a deficient number, since it is larger than the sum of its proper divisors (1).

531054306544823 is an equidigital number, since it uses as much as digits as its factorization.

531054306544823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 53.

Adding to 531054306544823 its reverse (328445603450135), we get a palindrome (859499909994958).

The spelling of 531054306544823 in words is "five hundred thirty-one trillion, fifty-four billion, three hundred six million, five hundred forty-four thousand, eight hundred twenty-three".