353081 has 2 divisors, whose sum is σ = 353082. Its totient is φ = 353080.

The previous prime is 353069. The next prime is 353099. The reversal of 353081 is 180353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 33856 = 565^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 353081 - 2¹⁰ = 352057 is a prime.

It is a super-2 number, since 2×353081² = 249332385122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (353011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176540 + 176541.

It is an arithmetic number, because the mean of its divisors is an integer number (176541).

2³⁵³⁰⁸¹ is an apocalyptic number.

It is an amenable number.

353081 is a deficient number, since it is larger than the sum of its proper divisors (1).

353081 is an equidigital number, since it uses as much as digits as its factorization.

353081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 353081 is about 594.2061931687. The cubic root of 353081 is about 70.6791713760.

The spelling of 353081 in words is "three hundred fifty-three thousand, eighty-one".