2533542 has 32 divisors (see below), whose sum is σ = 5771520. Its totient is φ = 733920.

The previous prime is 2533507. The next prime is 2533549. The reversal of 2533542 is 2453352.

It is a d-powerful number, because it can be written as 2⁷ + 5⁴ + 3¹² + 3¹³ + 5⁸ + 4² + 2¹⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (180360).

2^2533542 is an apocalyptic number.

2533542 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 2533542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2885760).

2533542 is an abundant number, since it is smaller than the sum of its proper divisors (3237978).

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

2533542 is a wasteful number, since it uses less digits than its factorization.

2533542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its digits is 3600, while the sum is 24.

The square root of 2533542 is about 1591.7104007953. The cubic root of 2533542 is about 136.3251662794.

Adding to 2533542 its reverse (2453352), we get a palindrome (4986894).

The spelling of 2533542 in words is "two million, five hundred thirty-three thousand, five hundred forty-two".