352640356225 has 12 divisors (see below), whose sum is σ = 437287240620. Its totient is φ = 282103769600.

The previous prime is 352640356213. The next prime is 352640356249. The reversal of 352640356225 is 522653046253.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1144333584 + 351496022641 = 33828^2 + 592871^2 .

It is not a de Polignac number, because 352640356225 - 2⁷ = 352640356097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710445 + ... + 1100005.

It is an arithmetic number, because the mean of its divisors is an integer number (36440603385).

Almost surely, 2^352640356225 is an apocalyptic number.

It is an amenable number.

352640356225 is a deficient number, since it is larger than the sum of its proper divisors (84646884395).

352640356225 is a wasteful number, since it uses less digits than its factorization.

352640356225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425780 (or 425775 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 352640356225 in words is "three hundred fifty-two billion, six hundred forty million, three hundred fifty-six thousand, two hundred twenty-five".