352646813 has 4 divisors (see below), whose sum is σ = 352698720. Its totient is φ = 352594908.

The previous prime is 352646807. The next prime is 352646837. The reversal of 352646813 is 318646253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352646813 - 2⁴ = 352646797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352646803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13895 + ... + 29972.

It is an arithmetic number, because the mean of its divisors is an integer number (88174680).

Almost surely, 2^352646813 is an apocalyptic number.

It is an amenable number.

352646813 is a deficient number, since it is larger than the sum of its proper divisors (51907).

352646813 is an equidigital number, since it uses as much as digits as its factorization.

352646813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51906.

The product of its digits is 103680, while the sum is 38.

The square root of 352646813 is about 18778.8927522365. The cubic root of 352646813 is about 706.5018788014.

The spelling of 352646813 in words is "three hundred fifty-two million, six hundred forty-six thousand, eight hundred thirteen".