361081 has 6 divisors (see below), whose sum is σ = 420090. Its totient is φ = 309456.

The previous prime is 361069. The next prime is 361091. The reversal of 361081 is 180163.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 7056 = 595^2 + 84^2 .

It is not a de Polignac number, because 361081 - 2⁷ = 360953 is a prime.

It is a super-2 number, since 2×361081² = 260758977122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3636 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (70015).

2³⁶¹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

361081 is a deficient number, since it is larger than the sum of its proper divisors (59009).

361081 is an equidigital number, since it uses as much as digits as its factorization.

361081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383 (or 7376 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 361081 is about 600.9001580962. The cubic root of 361081 is about 71.2089986733.

The spelling of 361081 in words is "three hundred sixty-one thousand, eighty-one".