352978625 has 8 divisors (see below), whose sum is σ = 440517480. Its totient is φ = 282382800.

The previous prime is 352978621. The next prime is 352978643. The reversal of 352978625 is 526879253.

It can be written as a sum of positive squares in 4 ways, for example, as 30991489 + 321987136 = 5567^2 + 17944^2 .

It is not a de Polignac number, because 352978625 - 2² = 352978621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 352978625.

It is not an unprimeable number, because it can be changed into a prime (352978621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411790 + ... + 1412039.

It is an arithmetic number, because the mean of its divisors is an integer number (55064685).

Almost surely, 2^352978625 is an apocalyptic number.

It is an amenable number.

352978625 is a deficient number, since it is larger than the sum of its proper divisors (87538855).

352978625 is an equidigital number, since it uses as much as digits as its factorization.

352978625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823844 (or 2823834 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 352978625 is about 18787.7253812163. The cubic root of 352978625 is about 706.7233962952.

The spelling of 352978625 in words is "three hundred fifty-two million, nine hundred seventy-eight thousand, six hundred twenty-five".