1548641 has 2 divisors, whose sum is σ = 1548642. Its totient is φ = 1548640.

The previous prime is 1548623. The next prime is 1548647. The reversal of 1548641 is 1468451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 384400 = 1079^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1548641 - 2⁶ = 1548577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1548647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774320 + 774321.

It is an arithmetic number, because the mean of its divisors is an integer number (774321).

2^1548641 is an apocalyptic number.

It is an amenable number.

1548641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1548641 is an equidigital number, since it uses as much as digits as its factorization.

1548641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 1548641 is about 1244.4440525793. Note that the first 3 decimals coincide. The cubic root of 1548641 is about 115.6956199706.

The spelling of 1548641 in words is "one million, five hundred forty-eight thousand, six hundred forty-one".