2424521 has 4 divisors (see below), whose sum is σ = 2644944. Its totient is φ = 2204100.

The previous prime is 2424511. The next prime is 2424547. The reversal of 2424521 is 1254242.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2424521 - 2¹⁰ = 2423497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2424493 and 2424502.

It is not an unprimeable number, because it can be changed into a prime (2424511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110195 + ... + 110216.

It is an arithmetic number, because the mean of its divisors is an integer number (661236).

2^2424521 is an apocalyptic number.

It is an amenable number.

2424521 is a deficient number, since it is larger than the sum of its proper divisors (220423).

2424521 is a wasteful number, since it uses less digits than its factorization.

2424521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220422.

The product of its digits is 640, while the sum is 20.

The square root of 2424521 is about 1557.0873450131. The cubic root of 2424521 is about 134.3410226695.

Adding to 2424521 its reverse (1254242), we get a palindrome (3678763).

The spelling of 2424521 in words is "two million, four hundred twenty-four thousand, five hundred twenty-one".