2574021 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 1574400.

The previous prime is 2574007. The next prime is 2574029. The reversal of 2574021 is 1204752.

2574021 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 2574021 - 2⁶ = 2573957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2574029) 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 15 ways as a sum of consecutive naturals, for example, 1476 + ... + 2706.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2574021 is an apocalyptic number.

It is an amenable number.

2574021 is a deficient number, since it is larger than the sum of its proper divisors (1151547).

2574021 is a wasteful number, since it uses less digits than its factorization.

2574021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2574021 is about 1604.3755794701. The cubic root of 2574021 is about 137.0473667177.

Adding to 2574021 its reverse (1204752), we get a palindrome (3778773).

It can be divided in two parts, 257402 and 1, that added together give a triangular number (257403 = T₇₁₇).

The spelling of 2574021 in words is "two million, five hundred seventy-four thousand, twenty-one".