2628541 has 2 divisors, whose sum is σ = 2628542. Its totient is φ = 2628540.

The previous prime is 2628539. The next prime is 2628553. The reversal of 2628541 is 1458262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2627641 + 900 = 1621^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628541 - 2¹ = 2628539 is a prime.

Together with 2628539, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2628581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314270 + 1314271.

It is an arithmetic number, because the mean of its divisors is an integer number (1314271).

2^2628541 is an apocalyptic number.

It is an amenable number.

2628541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628541 is an equidigital number, since it uses as much as digits as its factorization.

2628541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 2628541 is about 1621.2775826489. The cubic root of 2628541 is about 138.0082085714.

The spelling of 2628541 in words is "two million, six hundred twenty-eight thousand, five hundred forty-one".