1548161 has 2 divisors, whose sum is σ = 1548162. Its totient is φ = 1548160.

The previous prime is 1548149. The next prime is 1548179. The reversal of 1548161 is 1618451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1547536 + 625 = 1244^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 1548161 - 2⁶ = 1548097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1548161.

It is not a weakly prime, because it can be changed into another prime (1548121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774080 + 774081.

It is an arithmetic number, because the mean of its divisors is an integer number (774081).

2^1548161 is an apocalyptic number.

It is an amenable number.

1548161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1548161 is an equidigital number, since it uses as much as digits as its factorization.

1548161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 26.

The square root of 1548161 is about 1244.2511804294. The cubic root of 1548161 is about 115.6836654815.

The spelling of 1548161 in words is "one million, five hundred forty-eight thousand, one hundred sixty-one".