2800005541 has 2 divisors, whose sum is σ = 2800005542. Its totient is φ = 2800005540.

The previous prime is 2800005521. The next prime is 2800005557. The reversal of 2800005541 is 1455000082.

2800005541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2344012225 + 455993316 = 48415^2 + 21354^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800005541 - 2¹³ = 2799997349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2800005521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400002770 + 1400002771.

It is an arithmetic number, because the mean of its divisors is an integer number (1400002771).

Almost surely, 2^2800005541 is an apocalyptic number.

It is an amenable number.

2800005541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800005541 is an equidigital number, since it uses as much as digits as its factorization.

2800005541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2800005541 is about 52915.0785787945. The cubic root of 2800005541 is about 1409.4606761524.

The spelling of 2800005541 in words is "two billion, eight hundred million, five thousand, five hundred forty-one".