2578254 has 64 divisors (see below), whose sum is σ = 6552576. Its totient is φ = 658944.

The previous prime is 2578253. The next prime is 2578259. The reversal of 2578254 is 4528752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578253) 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 31 ways as a sum of consecutive naturals, for example, 16344 + ... + 16500.

It is an arithmetic number, because the mean of its divisors is an integer number (102384).

2^2578254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276288).

2578254 is an abundant number, since it is smaller than the sum of its proper divisors (3974322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2578254 is a wasteful number, since it uses less digits than its factorization.

2578254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 22400, while the sum is 33.

The square root of 2578254 is about 1605.6942423762. The cubic root of 2578254 is about 137.1224507708.

The spelling of 2578254 in words is "two million, five hundred seventy-eight thousand, two hundred fifty-four".