2421065 has 16 divisors (see below), whose sum is σ = 3067200. Its totient is φ = 1831872.

The previous prime is 2421061. The next prime is 2421073. The reversal of 2421065 is 5601242.

It is a happy number.

It is not a de Polignac number, because 2421065 - 2² = 2421061 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8414 + ... + 8696.

It is an arithmetic number, because the mean of its divisors is an integer number (191700).

2^2421065 is an apocalyptic number.

It is an amenable number.

2421065 is a deficient number, since it is larger than the sum of its proper divisors (646135).

2421065 is a wasteful number, since it uses less digits than its factorization.

2421065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2421065 is about 1555.9771849227. The cubic root of 2421065 is about 134.2771607973.

The spelling of 2421065 in words is "two million, four hundred twenty-one thousand, sixty-five".