2365091 has 4 divisors (see below), whose sum is σ = 2504232. Its totient is φ = 2225952.

The previous prime is 2365079. The next prime is 2365093. The reversal of 2365091 is 1905632.

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

It is a cyclic number.

It is not a de Polignac number, because 2365091 - 2¹⁰ = 2364067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2365091.

It is not an unprimeable number, because it can be changed into a prime (2365093) 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, 69545 + ... + 69578.

It is an arithmetic number, because the mean of its divisors is an integer number (626058).

2^2365091 is an apocalyptic number.

2365091 is a deficient number, since it is larger than the sum of its proper divisors (139141).

2365091 is a wasteful number, since it uses less digits than its factorization.

2365091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139140.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2365091 is about 1537.8852362904. The cubic root of 2365091 is about 133.2342715579.

The spelling of 2365091 in words is "two million, three hundred sixty-five thousand, ninety-one".