531352001273 has 2 divisors, whose sum is σ = 531352001274. Its totient is φ = 531352001272.

The previous prime is 531352001249. The next prime is 531352001281. The reversal of 531352001273 is 372100253135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529266435049 + 2085566224 = 727507^2 + 45668^2 .

It is a cyclic number.

It is not a de Polignac number, because 531352001273 - 2⁸ = 531352001017 is a prime.

It is not a weakly prime, because it can be changed into another prime (531352001573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265676000636 + 265676000637.

It is an arithmetic number, because the mean of its divisors is an integer number (265676000637).

Almost surely, 2^531352001273 is an apocalyptic number.

It is an amenable number.

531352001273 is a deficient number, since it is larger than the sum of its proper divisors (1).

531352001273 is an equidigital number, since it uses as much as digits as its factorization.

531352001273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The spelling of 531352001273 in words is "five hundred thirty-one billion, three hundred fifty-two million, one thousand, two hundred seventy-three".