350807813 has 2 divisors, whose sum is σ = 350807814. Its totient is φ = 350807812.

The previous prime is 350807797. The next prime is 350807837. The reversal of 350807813 is 318708053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250367329 + 100440484 = 15823^2 + 10022^2 .

It is an emirp because it is prime and its reverse (318708053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 350807813 - 2⁴ = 350807797 is a prime.

It is a super-2 number, since 2×350807813² = 246132243323685938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350804813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175403906 + 175403907.

It is an arithmetic number, because the mean of its divisors is an integer number (175403907).

Almost surely, 2^350807813 is an apocalyptic number.

It is an amenable number.

350807813 is a deficient number, since it is larger than the sum of its proper divisors (1).

350807813 is an equidigital number, since it uses as much as digits as its factorization.

350807813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 350807813 is about 18729.8642013230. The cubic root of 350807813 is about 705.2716375236.

The spelling of 350807813 in words is "three hundred fifty million, eight hundred seven thousand, eight hundred thirteen".