1306007641 has 2 divisors, whose sum is σ = 1306007642. Its totient is φ = 1306007640.

The previous prime is 1306007629. The next prime is 1306007683. The reversal of 1306007641 is 1467006031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1305015625 + 992016 = 36125^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306007641 - 2¹¹ = 1306005593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1306007041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653003820 + 653003821.

It is an arithmetic number, because the mean of its divisors is an integer number (653003821).

Almost surely, 2^1306007641 is an apocalyptic number.

It is an amenable number.

1306007641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306007641 is an equidigital number, since it uses as much as digits as its factorization.

1306007641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1306007641 is about 36138.7277169521. The cubic root of 1306007641 is about 1093.0715041921.

The spelling of 1306007641 in words is "one billion, three hundred six million, seven thousand, six hundred forty-one".