352020025921 has 2 divisors, whose sum is σ = 352020025922. Its totient is φ = 352020025920.

The previous prime is 352020025919. The next prime is 352020025939. The reversal of 352020025921 is 129520020253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346238096400 + 5781929521 = 588420^2 + 76039^2 .

It is a cyclic number.

It is not a de Polignac number, because 352020025921 - 2¹ = 352020025919 is a prime.

Together with 352020025919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (352020025901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176010012960 + 176010012961.

It is an arithmetic number, because the mean of its divisors is an integer number (176010012961).

Almost surely, 2^352020025921 is an apocalyptic number.

It is an amenable number.

352020025921 is a deficient number, since it is larger than the sum of its proper divisors (1).

352020025921 is an equidigital number, since it uses as much as digits as its factorization.

352020025921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 352020025921 in words is "three hundred fifty-two billion, twenty million, twenty-five thousand, nine hundred twenty-one".