1306180541 has 2 divisors, whose sum is σ = 1306180542. Its totient is φ = 1306180540.

The previous prime is 1306180489. The next prime is 1306180553. The reversal of 1306180541 is 1450816031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959140900 + 347039641 = 30970^2 + 18629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306180541 - 2¹⁴ = 1306164157 is a prime.

It is a super-2 number, since 2×1306180541² = 3412215211374105362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306180571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653090270 + 653090271.

It is an arithmetic number, because the mean of its divisors is an integer number (653090271).

Almost surely, 2^1306180541 is an apocalyptic number.

It is an amenable number.

1306180541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306180541 is an equidigital number, since it uses as much as digits as its factorization.

1306180541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1306180541 is about 36141.1198083291. The cubic root of 1306180541 is about 1093.1197386530.

Adding to 1306180541 its reverse (1450816031), we get a palindrome (2756996572).

The spelling of 1306180541 in words is "one billion, three hundred six million, one hundred eighty thousand, five hundred forty-one".