1306541 has 2 divisors, whose sum is σ = 1306542. Its totient is φ = 1306540.

The previous prime is 1306519. The next prime is 1306589. The reversal of 1306541 is 1456031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958441 + 348100 = 979^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306541 - 2⁶ = 1306477 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 (1306241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653270 + 653271.

It is an arithmetic number, because the mean of its divisors is an integer number (653271).

2^1306541 is an apocalyptic number.

It is an amenable number.

1306541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306541 is an equidigital number, since it uses as much as digits as its factorization.

1306541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1306541 is about 1143.0402442609. The cubic root of 1306541 is about 109.3220283357.

The spelling of 1306541 in words is "one million, three hundred six thousand, five hundred forty-one".