352820245 has 4 divisors (see below), whose sum is σ = 423384300. Its totient is φ = 282256192.

The previous prime is 352820233. The next prime is 352820249. The reversal of 352820245 is 542028253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98545329 + 254274916 = 9927^2 + 15946^2 .

It is a cyclic number.

It is not a de Polignac number, because 352820245 - 2¹⁷ = 352689173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352820249) 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 3 ways as a sum of consecutive naturals, for example, 35282020 + ... + 35282029.

It is an arithmetic number, because the mean of its divisors is an integer number (105846075).

Almost surely, 2^352820245 is an apocalyptic number.

It is an amenable number.

352820245 is a deficient number, since it is larger than the sum of its proper divisors (70564055).

352820245 is an equidigital number, since it uses as much as digits as its factorization.

352820245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70564054.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 352820245 is about 18783.5099222696. The cubic root of 352820245 is about 706.6176792265.

Adding to 352820245 its reverse (542028253), we get a palindrome (894848498).

The spelling of 352820245 in words is "three hundred fifty-two million, eight hundred twenty thousand, two hundred forty-five".