352120665 has 16 divisors (see below), whose sum is σ = 606731328. Its totient is φ = 173351616.

The previous prime is 352120627. The next prime is 352120687. The reversal of 352120665 is 566021253.

It is not a de Polignac number, because 352120665 - 2¹¹ = 352118617 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902679 + ... + 903068.

It is an arithmetic number, because the mean of its divisors is an integer number (37920708).

Almost surely, 2^352120665 is an apocalyptic number.

It is an amenable number.

352120665 is a deficient number, since it is larger than the sum of its proper divisors (254610663).

352120665 is a wasteful number, since it uses less digits than its factorization.

352120665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805768.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 352120665 is about 18764.8784968089. The cubic root of 352120665 is about 706.1503376741.

The spelling of 352120665 in words is "three hundred fifty-two million, one hundred twenty thousand, six hundred sixty-five".