353125232140321 has 2 divisors, whose sum is σ = 353125232140322. Its totient is φ = 353125232140320.

The previous prime is 353125232140201. The next prime is 353125232140327. The reversal of 353125232140321 is 123041232521353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318584516332096 + 34540715808225 = 17848936^2 + 5877135^2 .

It is a cyclic number.

It is not a de Polignac number, because 353125232140321 - 2⁷ = 353125232140193 is a prime.

It is not a weakly prime, because it can be changed into another prime (353125232140327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176562616070160 + 176562616070161.

It is an arithmetic number, because the mean of its divisors is an integer number (176562616070161).

Almost surely, 2^{353125232140321} is an apocalyptic number.

It is an amenable number.

353125232140321 is a deficient number, since it is larger than the sum of its proper divisors (1).

353125232140321 is an equidigital number, since it uses as much as digits as its factorization.

353125232140321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 353125232140321 its reverse (123041232521353), we get a palindrome (476166464661674).

The spelling of 353125232140321 in words is "three hundred fifty-three trillion, one hundred twenty-five billion, two hundred thirty-two million, one hundred forty thousand, three hundred twenty-one".