2542236 has 48 divisors (see below), whose sum is σ = 6332928. Its totient is φ = 792000.

The previous prime is 2542229. The next prime is 2542237. The reversal of 2542236 is 6322452.

2542236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁸ + 4² + 2¹⁸ + 2¹⁸ + 3¹³ + 6³ .

Its product of digits (2880) is a multiple of the sum of its prime divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542237) 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, 16761 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (131936).

2^2542236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3166464).

2542236 is an abundant number, since it is smaller than the sum of its proper divisors (3790692).

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

2542236 is a wasteful number, since it uses less digits than its factorization.

2542236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 240 counting only the distinct ones).

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

The square root of 2542236 is about 1594.4390863247. The cubic root of 2542236 is about 136.4809242218.

Adding to 2542236 its reverse (6322452), we get a palindrome (8864688).

The spelling of 2542236 in words is "two million, five hundred forty-two thousand, two hundred thirty-six".