531242002453 has 2 divisors, whose sum is σ = 531242002454. Its totient is φ = 531242002452.

The previous prime is 531242002427. The next prime is 531242002471. The reversal of 531242002453 is 354200242135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324178780689 + 207063221764 = 569367^2 + 455042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531242002453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531243002453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265621001226 + 265621001227.

It is an arithmetic number, because the mean of its divisors is an integer number (265621001227).

Almost surely, 2^531242002453 is an apocalyptic number.

It is an amenable number.

531242002453 is a deficient number, since it is larger than the sum of its proper divisors (1).

531242002453 is an equidigital number, since it uses as much as digits as its factorization.

531242002453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 531242002453 its reverse (354200242135), we get a palindrome (885442244588).

The spelling of 531242002453 in words is "five hundred thirty-one billion, two hundred forty-two million, two thousand, four hundred fifty-three".