2421573 has 24 divisors (see below), whose sum is σ = 4060224. Its totient is φ = 1256640.

The previous prime is 2421553. The next prime is 2421577. The reversal of 2421573 is 3751242.

2421573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2421573 - 2⁵ = 2421541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421577) 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 23 ways as a sum of consecutive naturals, for example, 2065 + ... + 3017.

It is an arithmetic number, because the mean of its divisors is an integer number (169176).

2^2421573 is an apocalyptic number.

It is an amenable number.

2421573 is a deficient number, since it is larger than the sum of its proper divisors (1638651).

2421573 is a wasteful number, since it uses less digits than its factorization.

2421573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 974 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 2421573 is about 1556.1404178287. The cubic root of 2421573 is about 134.2865517096.

The spelling of 2421573 in words is "two million, four hundred twenty-one thousand, five hundred seventy-three".