532240221509 has 2 divisors, whose sum is σ = 532240221510. Its totient is φ = 532240221508.

The previous prime is 532240221371. The next prime is 532240221571. The reversal of 532240221509 is 905122042235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449456272225 + 82783949284 = 670415^2 + 287722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532240221509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532240221589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266120110754 + 266120110755.

It is an arithmetic number, because the mean of its divisors is an integer number (266120110755).

Almost surely, 2^532240221509 is an apocalyptic number.

It is an amenable number.

532240221509 is a deficient number, since it is larger than the sum of its proper divisors (1).

532240221509 is an equidigital number, since it uses as much as digits as its factorization.

532240221509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 532240221509 in words is "five hundred thirty-two billion, two hundred forty million, two hundred twenty-one thousand, five hundred nine".