1548541 has 2 divisors, whose sum is σ = 1548542. Its totient is φ = 1548540.

The previous prime is 1548539. The next prime is 1548553. The reversal of 1548541 is 1458451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1313316 + 235225 = 1146^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1548541 - 2¹ = 1548539 is a prime.

Together with 1548539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1548641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774270 + 774271.

It is an arithmetic number, because the mean of its divisors is an integer number (774271).

2^1548541 is an apocalyptic number.

It is an amenable number.

1548541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1548541 is an equidigital number, since it uses as much as digits as its factorization.

1548541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 28.

The square root of 1548541 is about 1244.4038733466. The cubic root of 1548541 is about 115.6931296558.

The spelling of 1548541 in words is "one million, five hundred forty-eight thousand, five hundred forty-one".