1305427241 has 2 divisors, whose sum is σ = 1305427242. Its totient is φ = 1305427240.

The previous prime is 1305427213. The next prime is 1305427271. The reversal of 1305427241 is 1427245031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 747475600 + 557951641 = 27340^2 + 23621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305427241 - 2⁶ = 1305427177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1305427271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652713620 + 652713621.

It is an arithmetic number, because the mean of its divisors is an integer number (652713621).

Almost surely, 2^1305427241 is an apocalyptic number.

It is an amenable number.

1305427241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305427241 is an equidigital number, since it uses as much as digits as its factorization.

1305427241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1305427241 is about 36130.6966581050. The cubic root of 1305427241 is about 1092.9095570271.

The spelling of 1305427241 in words is "one billion, three hundred five million, four hundred twenty-seven thousand, two hundred forty-one".