2538021 has 8 divisors (see below), whose sum is σ = 3394144. Its totient is φ = 1686960.

The previous prime is 2538017. The next prime is 2538031. The reversal of 2538021 is 1208352.

2538021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2538021 - 2² = 2538017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538031) 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 7 ways as a sum of consecutive naturals, for example, 126 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (424268).

2^2538021 is an apocalyptic number.

It is an amenable number.

2538021 is a deficient number, since it is larger than the sum of its proper divisors (856123).

2538021 is a wasteful number, since it uses less digits than its factorization.

2538021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

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

The square root of 2538021 is about 1593.1167565499. The cubic root of 2538021 is about 136.4054545280.

The spelling of 2538021 in words is "two million, five hundred thirty-eight thousand, twenty-one".