349895057 has 2 divisors, whose sum is σ = 349895058. Its totient is φ = 349895056.

The previous prime is 349895027. The next prime is 349895083. The reversal of 349895057 is 750598943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278255761 + 71639296 = 16681^2 + 8464^2 .

It is a cyclic number.

It is not a de Polignac number, because 349895057 - 2⁸ = 349894801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349894996 and 349895014.

It is not a weakly prime, because it can be changed into another prime (349895027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174947528 + 174947529.

It is an arithmetic number, because the mean of its divisors is an integer number (174947529).

Almost surely, 2^349895057 is an apocalyptic number.

It is an amenable number.

349895057 is a deficient number, since it is larger than the sum of its proper divisors (1).

349895057 is an equidigital number, since it uses as much as digits as its factorization.

349895057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 349895057 is about 18705.4820039474. The cubic root of 349895057 is about 704.6594314351.

The spelling of 349895057 in words is "three hundred forty-nine million, eight hundred ninety-five thousand, fifty-seven".