2548021 has 8 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 2175648.

The previous prime is 2548019. The next prime is 2548061. The reversal of 2548021 is 1208452.

2548021 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 a cyclic number.

It is not a de Polignac number, because 2548021 - 2¹ = 2548019 is a prime.

It is a super-2 number, since 2×2548021² = 12984822032882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2547983 and 2548001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548061) 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, 1905 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (365400).

2^2548021 is an apocalyptic number.

It is an amenable number.

2548021 is a deficient number, since it is larger than the sum of its proper divisors (375179).

2548021 is a wasteful number, since it uses less digits than its factorization.

2548021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2548021 is about 1596.2521730604. The cubic root of 2548021 is about 136.5843691184.

The spelling of 2548021 in words is "two million, five hundred forty-eight thousand, twenty-one".