2385021 has 4 divisors (see below), whose sum is σ = 3180032. Its totient is φ = 1590012.

The previous prime is 2384971. The next prime is 2385023. The reversal of 2385021 is 1205832.

2385021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2385021 - 2¹⁴ = 2368637 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397501 + ... + 397506.

It is an arithmetic number, because the mean of its divisors is an integer number (795008).

2^2385021 is an apocalyptic number.

It is an amenable number.

2385021 is a deficient number, since it is larger than the sum of its proper divisors (795011).

2385021 is an equidigital number, since it uses as much as digits as its factorization.

2385021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795010.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2385021 is about 1544.3513201341. The cubic root of 2385021 is about 133.6074686264.

It can be divided in two parts, 23850 and 21, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 2385021 in words is "two million, three hundred eighty-five thousand, twenty-one".