352213645 has 16 divisors (see below), whose sum is σ = 494271360. Its totient is φ = 235900224.

The previous prime is 352213627. The next prime is 352213663. The reversal of 352213645 is 546312253.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (352213627) and next prime (352213663).

It is not a de Polignac number, because 352213645 - 2⁹ = 352213133 is a prime.

It is a super-3 number, since 3×352213645³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115510 + ... + 118519.

It is an arithmetic number, because the mean of its divisors is an integer number (30891960).

Almost surely, 2^352213645 is an apocalyptic number.

352213645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

352213645 is a deficient number, since it is larger than the sum of its proper divisors (142057715).

352213645 is a wasteful number, since it uses less digits than its factorization.

352213645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234084.

The product of its digits is 21600, while the sum is 31.

The square root of 352213645 is about 18767.3558340007. The cubic root of 352213645 is about 706.2124868999.

Adding to 352213645 its reverse (546312253), we get a palindrome (898525898).

The spelling of 352213645 in words is "three hundred fifty-two million, two hundred thirteen thousand, six hundred forty-five".