2302542 has 48 divisors (see below), whose sum is σ = 5644080. Its totient is φ = 672000.

The previous prime is 2302537. The next prime is 2302543. The reversal of 2302542 is 2452032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5542 + ... + 5942.

It is an arithmetic number, because the mean of its divisors is an integer number (117585).

2^2302542 is an apocalyptic number.

2302542 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 2302542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822040).

2302542 is an abundant number, since it is smaller than the sum of its proper divisors (3341538).

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

2302542 is a wasteful number, since it uses less digits than its factorization.

2302542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2302542 is about 1517.4129299568. The cubic root of 2302542 is about 132.0492240658.

Adding to 2302542 its reverse (2452032), we get a palindrome (4754574).

It can be divided in two parts, 230 and 2542, that added together give a palindrome (2772).

The spelling of 2302542 in words is "two million, three hundred two thousand, five hundred forty-two".