2459021 has 4 divisors (see below), whose sum is σ = 2470272. Its totient is φ = 2447772.

The previous prime is 2459011. The next prime is 2459027. The reversal of 2459021 is 1209542.

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 2459021 - 2¹⁰ = 2457997 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2459027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5291 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (617568).

2^2459021 is an apocalyptic number.

It is an amenable number.

2459021 is a deficient number, since it is larger than the sum of its proper divisors (11251).

2459021 is a wasteful number, since it uses less digits than its factorization.

2459021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11250.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2459021 is about 1568.1265892778. The cubic root of 2459021 is about 134.9752309382.

The spelling of 2459021 in words is "two million, four hundred fifty-nine thousand, twenty-one".