2421365 has 8 divisors (see below), whose sum is σ = 2924448. Its totient is φ = 1924560.

The previous prime is 2421347. The next prime is 2421383. The reversal of 2421365 is 5631242.

It is an interprime number because it is at equal distance from previous prime (2421347) and next prime (2421383).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2421365 - 2⁸ = 2421109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (365556).

2^2421365 is an apocalyptic number.

It is an amenable number.

2421365 is a deficient number, since it is larger than the sum of its proper divisors (503083).

2421365 is a wasteful number, since it uses less digits than its factorization.

2421365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its digits is 1440, while the sum is 23.

The square root of 2421365 is about 1556.0735843783. The cubic root of 2421365 is about 134.2827067705.

The spelling of 2421365 in words is "two million, four hundred twenty-one thousand, three hundred sixty-five".