2543401541 has 32 divisors (see below), whose sum is σ = 2827392000. Its totient is φ = 2278679040.

The previous prime is 2543401507. The next prime is 2543401573. The reversal of 2543401541 is 1451043452.

2543401541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2543401541 - 2¹⁸ = 2543139397 is a prime.

It is a super-2 number, since 2×2543401541² = 12937782797522349362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543401591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6406355 + ... + 6406751.

It is an arithmetic number, because the mean of its divisors is an integer number (88356000).

Almost surely, 2^2543401541 is an apocalyptic number.

It is an amenable number.

2543401541 is a deficient number, since it is larger than the sum of its proper divisors (283990459).

2543401541 is a wasteful number, since it uses less digits than its factorization.

2543401541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2543401541 is about 50432.1478919944. The cubic root of 2543401541 is about 1365.0177854177.

Adding to 2543401541 its reverse (1451043452), we get a palindrome (3994444993).

The spelling of 2543401541 in words is "two billion, five hundred forty-three million, four hundred one thousand, five hundred forty-one".