347643061 has 2 divisors, whose sum is σ = 347643062. Its totient is φ = 347643060.

The previous prime is 347643007. The next prime is 347643073. The reversal of 347643061 is 160346743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250620561 + 97022500 = 15831^2 + 9850^2 .

It is an emirp because it is prime and its reverse (160346743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347643061 - 2¹⁹ = 347118773 is a prime.

It is a super-2 number, since 2×347643061² = 241711395722899442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347640061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173821530 + 173821531.

It is an arithmetic number, because the mean of its divisors is an integer number (173821531).

Almost surely, 2^347643061 is an apocalyptic number.

It is an amenable number.

347643061 is a deficient number, since it is larger than the sum of its proper divisors (1).

347643061 is an equidigital number, since it uses as much as digits as its factorization.

347643061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 347643061 is about 18645.1886823384. The cubic root of 347643061 is about 703.1443991119.

The spelling of 347643061 in words is "three hundred forty-seven million, six hundred forty-three thousand, sixty-one".