347086081 has 2 divisors, whose sum is σ = 347086082. Its totient is φ = 347086080.

The previous prime is 347086043. The next prime is 347086087. The reversal of 347086081 is 180680743.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339296400 + 7789681 = 18420^2 + 2791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347086081 is a prime.

It is a super-2 number, since 2×347086081² = 240937495247877122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 347086081.

It is not a weakly prime, because it can be changed into another prime (347086087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173543040 + 173543041.

It is an arithmetic number, because the mean of its divisors is an integer number (173543041).

Almost surely, 2^347086081 is an apocalyptic number.

It is an amenable number.

347086081 is a deficient number, since it is larger than the sum of its proper divisors (1).

347086081 is an equidigital number, since it uses as much as digits as its factorization.

347086081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 347086081 is about 18630.2464020206. The cubic root of 347086081 is about 702.7686816466.

The spelling of 347086081 in words is "three hundred forty-seven million, eighty-six thousand, eighty-one".