2563242 has 32 divisors (see below), whose sum is σ = 5681664. Its totient is φ = 764400.

The previous prime is 2563237. The next prime is 2563261. The reversal of 2563242 is 2423652.

2563242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 4413 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (177552).

2^2563242 is an apocalyptic number.

2563242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2563242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840832).

2563242 is an abundant number, since it is smaller than the sum of its proper divisors (3118422).

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

2563242 is a wasteful number, since it uses less digits than its factorization.

2563242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 2880, while the sum is 24.

The square root of 2563242 is about 1601.0128044460. The cubic root of 2563242 is about 136.8557986868.

Adding to 2563242 its reverse (2423652), we get a palindrome (4986894).

The spelling of 2563242 in words is "two million, five hundred sixty-three thousand, two hundred forty-two".