531325442239 has 2 divisors, whose sum is σ = 531325442240. Its totient is φ = 531325442238.

The previous prime is 531325442191. The next prime is 531325442269. The reversal of 531325442239 is 932244523135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531325442239 - 2¹³ = 531325434047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531325442195 and 531325442204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531325442269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265662721119 + 265662721120.

It is an arithmetic number, because the mean of its divisors is an integer number (265662721120).

Almost surely, 2^531325442239 is an apocalyptic number.

531325442239 is a deficient number, since it is larger than the sum of its proper divisors (1).

531325442239 is an equidigital number, since it uses as much as digits as its factorization.

531325442239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 43.

The spelling of 531325442239 in words is "five hundred thirty-one billion, three hundred twenty-five million, four hundred forty-two thousand, two hundred thirty-nine".