1548461 has 2 divisors, whose sum is σ = 1548462. Its totient is φ = 1548460.

The previous prime is 1548451. The next prime is 1548493. The reversal of 1548461 is 1648451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1485961 + 62500 = 1219^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1548461 - 2¹⁰ = 1547437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1548401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774230 + 774231.

It is an arithmetic number, because the mean of its divisors is an integer number (774231).

2^1548461 is an apocalyptic number.

1548461 is the 557-th centered decagonal number.

It is an amenable number.

1548461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1548461 is an equidigital number, since it uses as much as digits as its factorization.

1548461 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1548461 is about 1244.3717290263. The cubic root of 1548461 is about 115.6911373267.

The spelling of 1548461 in words is "one million, five hundred forty-eight thousand, four hundred sixty-one".