352520445 has 16 divisors (see below), whose sum is σ = 576034560. Its totient is φ = 184010304.

The previous prime is 352520429. The next prime is 352520447. The reversal of 352520445 is 544025253.

It is not a de Polignac number, because 352520445 - 2⁴ = 352520429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352520447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249310 + ... + 250719.

It is an arithmetic number, because the mean of its divisors is an integer number (36002160).

Almost surely, 2^352520445 is an apocalyptic number.

It is an amenable number.

352520445 is a deficient number, since it is larger than the sum of its proper divisors (223514115).

352520445 is a wasteful number, since it uses less digits than its factorization.

352520445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500084.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 352520445 is about 18775.5278221412. The cubic root of 352520445 is about 706.4174790636.

Adding to 352520445 its reverse (544025253), we get a palindrome (896545698).

The spelling of 352520445 in words is "three hundred fifty-two million, five hundred twenty thousand, four hundred forty-five".