350306149 has 2 divisors, whose sum is σ = 350306150. Its totient is φ = 350306148.

The previous prime is 350306141. The next prime is 350306161. The reversal of 350306149 is 941603053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223293249 + 127012900 = 14943^2 + 11270^2 .

It is a cyclic number.

It is not a de Polignac number, because 350306149 - 2³ = 350306141 is a prime.

It is equal to p_18819112 and since 350306149 and 18819112 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 350306149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350306141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175153074 + 175153075.

It is an arithmetic number, because the mean of its divisors is an integer number (175153075).

Almost surely, 2^350306149 is an apocalyptic number.

It is an amenable number.

350306149 is a deficient number, since it is larger than the sum of its proper divisors (1).

350306149 is an equidigital number, since it uses as much as digits as its factorization.

350306149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 350306149 is about 18716.4673215861. The cubic root of 350306149 is about 704.9352917489.

The spelling of 350306149 in words is "three hundred fifty million, three hundred six thousand, one hundred forty-nine".