365081 has 4 divisors (see below), whose sum is σ = 377700. Its totient is φ = 352464.

The previous prime is 365069. The next prime is 365089. The reversal of 365081 is 180563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 265225 = 316^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 365081 - 2⁶ = 365017 is a prime.

It is a super-2 number, since 2×365081² = 266568273122, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365081.

It is not an unprimeable number, because it can be changed into a prime (365089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (94425).

2³⁶⁵⁰⁸¹ is an apocalyptic number.

It is an amenable number.

365081 is a deficient number, since it is larger than the sum of its proper divisors (12619).

365081 is a wasteful number, since it uses less digits than its factorization.

365081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 365081 is about 604.2193310380. The cubic root of 365081 is about 71.4709811006.

The spelling of 365081 in words is "three hundred sixty-five thousand, eighty-one".