352013813 has 4 divisors (see below), whose sum is σ = 352305228. Its totient is φ = 351722400.

The previous prime is 352013777. The next prime is 352013821. The reversal of 352013813 is 318310253.

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 129914404 + 222099409 = 11398^2 + 14903^2 .

It is a cyclic number.

It is not a de Polignac number, because 352013813 - 2²⁴ = 335236597 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 (352013833) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 143888 + ... + 146313.

It is an arithmetic number, because the mean of its divisors is an integer number (88076307).

Almost surely, 2^352013813 is an apocalyptic number.

It is an amenable number.

352013813 is a deficient number, since it is larger than the sum of its proper divisors (291415).

352013813 is a wasteful number, since it uses less digits than its factorization.

352013813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291414.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 352013813 is about 18762.0311533693. The cubic root of 352013813 is about 706.0789026833.

The spelling of 352013813 in words is "three hundred fifty-two million, thirteen thousand, eight hundred thirteen".