2028471541 has 2 divisors, whose sum is σ = 2028471542. Its totient is φ = 2028471540.

The previous prime is 2028471539. The next prime is 2028471553. The reversal of 2028471541 is 1451748202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1833980625 + 194490916 = 42825^2 + 13946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028471541 - 2¹ = 2028471539 is a prime.

It is a super-2 number, since 2×2028471541² = 8229393585293829362, which contains 22 as substring.

Together with 2028471539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2028471497 and 2028471506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2028471581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014235770 + 1014235771.

It is an arithmetic number, because the mean of its divisors is an integer number (1014235771).

Almost surely, 2^2028471541 is an apocalyptic number.

It is an amenable number.

2028471541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028471541 is an equidigital number, since it uses as much as digits as its factorization.

2028471541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2028471541 is about 45038.5561602501. The cubic root of 2028471541 is about 1265.8715509074.

The spelling of 2028471541 in words is "two billion, twenty-eight million, four hundred seventy-one thousand, five hundred forty-one".