350520813 has 12 divisors (see below), whose sum is σ = 522640768. Its totient is φ = 226142280.

The previous prime is 350520791. The next prime is 350520817. The reversal of 350520813 is 318025053.

It is not a de Polignac number, because 350520813 - 2⁶ = 350520749 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 (350520817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627895 + ... + 628452.

Almost surely, 2^350520813 is an apocalyptic number.

It is an amenable number.

350520813 is a deficient number, since it is larger than the sum of its proper divisors (172119955).

350520813 is a wasteful number, since it uses less digits than its factorization.

350520813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256384 (or 1256381 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 350520813 is about 18722.2010725235. The cubic root of 350520813 is about 705.0792547085.

Adding to 350520813 its reverse (318025053), we get a palindrome (668545866).

The spelling of 350520813 in words is "three hundred fifty million, five hundred twenty thousand, eight hundred thirteen".