241220321525317 has 2 divisors, whose sum is σ = 241220321525318. Its totient is φ = 241220321525316.

The previous prime is 241220321525263. The next prime is 241220321525329. The reversal of 241220321525317 is 713525123022142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143568947064676 + 97651374460641 = 11982026^2 + 9881871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241220321525317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241220321525317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241220321525347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120610160762658 + 120610160762659.

It is an arithmetic number, because the mean of its divisors is an integer number (120610160762659).

Almost surely, 2^{241220321525317} is an apocalyptic number.

It is an amenable number.

241220321525317 is a deficient number, since it is larger than the sum of its proper divisors (1).

241220321525317 is an equidigital number, since it uses as much as digits as its factorization.

241220321525317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 241220321525317 its reverse (713525123022142), we get a palindrome (954745444547459).

The spelling of 241220321525317 in words is "two hundred forty-one trillion, two hundred twenty billion, three hundred twenty-one million, five hundred twenty-five thousand, three hundred seventeen".