363091 has 4 divisors (see below), whose sum is σ = 365184. Its totient is φ = 361000.

The previous prime is 363067. The next prime is 363119. The reversal of 363091 is 190363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190363 = 41 ⋅4643.

It is a 3-Lehmer number, since φ(363091) divides (363091-1)³.

It is a cyclic number.

It is not a de Polignac number, because 363091 - 2⁵ = 363059 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (363061) 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, 760 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (91296).

2³⁶³⁰⁹¹ is an apocalyptic number.

363091 is a deficient number, since it is larger than the sum of its proper divisors (2093).

363091 is a wasteful number, since it uses less digits than its factorization.

363091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 363091 is about 602.5703278456. The cubic root of 363091 is about 71.3408853526.

It can be divided in two parts, 3630 and 91, that added together give a square (3721 = 61²).

The spelling of 363091 in words is "three hundred sixty-three thousand, ninety-one".