2365491 has 4 divisors (see below), whose sum is σ = 3153992. Its totient is φ = 1576992.

The previous prime is 2365471. The next prime is 2365511. The reversal of 2365491 is 1945632.

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

It is an interprime number because it is at equal distance from previous prime (2365471) and next prime (2365511).

It is not a de Polignac number, because 2365491 - 2⁵ = 2365459 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2365411) 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, 394246 + ... + 394251.

It is an arithmetic number, because the mean of its divisors is an integer number (788498).

2^2365491 is an apocalyptic number.

2365491 is a deficient number, since it is larger than the sum of its proper divisors (788501).

2365491 is an equidigital number, since it uses as much as digits as its factorization.

2365491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788500.

The product of its digits is 6480, while the sum is 30.

The square root of 2365491 is about 1538.0152795080. The cubic root of 2365491 is about 133.2417822913.

The spelling of 2365491 in words is "two million, three hundred sixty-five thousand, four hundred ninety-one".