349081 has 2 divisors, whose sum is σ = 349082. Its totient is φ = 349080.

The previous prime is 349079. The next prime is 349093. The reversal of 349081 is 180943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259081 + 90000 = 509^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 349081 - 2¹ = 349079 is a prime.

It is a super-2 number, since 2×349081² = 243715089122, which contains 22 as substring.

Together with 349079, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174540 + 174541.

It is an arithmetic number, because the mean of its divisors is an integer number (174541).

2³⁴⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

349081 is a deficient number, since it is larger than the sum of its proper divisors (1).

349081 is an equidigital number, since it uses as much as digits as its factorization.

349081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 349081 is about 590.8307710335. The cubic root of 349081 is about 70.4112526133.

The spelling of 349081 in words is "three hundred forty-nine thousand, eighty-one".