2800541 has 2 divisors, whose sum is σ = 2800542. Its totient is φ = 2800540.

The previous prime is 2800531. The next prime is 2800561. The reversal of 2800541 is 1450082.

It is an a-pointer prime, because the next prime (2800561) can be obtained adding 2800541 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 143641 = 1630^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800541 - 2¹⁴ = 2784157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2800531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400270 + 1400271.

It is an arithmetic number, because the mean of its divisors is an integer number (1400271).

2^2800541 is an apocalyptic number.

It is an amenable number.

2800541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800541 is an equidigital number, since it uses as much as digits as its factorization.

2800541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2800541 is about 1673.4816999298. The cubic root of 2800541 is about 140.9550516487.

The spelling of 2800541 in words is "two million, eight hundred thousand, five hundred forty-one".