350211997 has 2 divisors, whose sum is σ = 350211998. Its totient is φ = 350211996.

The previous prime is 350211959. The next prime is 350212003. The reversal of 350211997 is 799112053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338780836 + 11431161 = 18406^2 + 3381^2 .

It is a cyclic number.

It is not a de Polignac number, because 350211997 - 2²³ = 341823389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350211937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175105998 + 175105999.

It is an arithmetic number, because the mean of its divisors is an integer number (175105999).

Almost surely, 2^350211997 is an apocalyptic number.

It is an amenable number.

350211997 is a deficient number, since it is larger than the sum of its proper divisors (1).

350211997 is an equidigital number, since it uses as much as digits as its factorization.

350211997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 350211997 is about 18713.9519343190. The cubic root of 350211997 is about 704.8721307920.

The spelling of 350211997 in words is "three hundred fifty million, two hundred eleven thousand, nine hundred ninety-seven".