349745801 has 2 divisors, whose sum is σ = 349745802. Its totient is φ = 349745800.

The previous prime is 349745731. The next prime is 349745821. The reversal of 349745801 is 108547943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248220025 + 101525776 = 15755^2 + 10076^2 .

It is a cyclic number.

It is not a de Polignac number, because 349745801 - 2¹⁰ = 349744777 is a prime.

It is not a weakly prime, because it can be changed into another prime (349745821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174872900 + 174872901.

It is an arithmetic number, because the mean of its divisors is an integer number (174872901).

Almost surely, 2^349745801 is an apocalyptic number.

It is an amenable number.

349745801 is a deficient number, since it is larger than the sum of its proper divisors (1).

349745801 is an equidigital number, since it uses as much as digits as its factorization.

349745801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 349745801 is about 18701.4919458315. The cubic root of 349745801 is about 704.5592208106.

The spelling of 349745801 in words is "three hundred forty-nine million, seven hundred forty-five thousand, eight hundred one".