2541544542 has 24 divisors (see below), whose sum is σ = 5584241520. Its totient is φ = 835248960.

The previous prime is 2541544487. The next prime is 2541544547. The reversal of 2541544542 is 2454451452.

2541544542 is a `hidden beast` number, since 2 + 54 + 154 + 454 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2541544497 and 2541544506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541544547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993067 + ... + 995622.

It is an arithmetic number, because the mean of its divisors is an integer number (232676730).

Almost surely, 2^2541544542 is an apocalyptic number.

2541544542 is an abundant number, since it is smaller than the sum of its proper divisors (3042696978).

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

2541544542 is a wasteful number, since it uses less digits than its factorization.

2541544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988768 (or 1988765 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 2541544542 is about 50413.7336645482. The cubic root of 2541544542 is about 1364.6854936964.

Adding to 2541544542 its reverse (2454451452), we get a palindrome (4995995994).

The spelling of 2541544542 in words is "two billion, five hundred forty-one million, five hundred forty-four thousand, five hundred forty-two".