1300213009 has 2 divisors, whose sum is σ = 1300213010. Its totient is φ = 1300213008.

The previous prime is 1300213003. The next prime is 1300213037. The reversal of 1300213009 is 9003120031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1079779600 + 220433409 = 32860^2 + 14847^2 .

It is an emirp because it is prime and its reverse (9003120031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1300213009 - 2⁹ = 1300212497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300213003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650106504 + 650106505.

It is an arithmetic number, because the mean of its divisors is an integer number (650106505).

Almost surely, 2^1300213009 is an apocalyptic number.

It is an amenable number.

1300213009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300213009 is an equidigital number, since it uses as much as digits as its factorization.

1300213009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1300213009 is about 36058.4665370007. The cubic root of 1300213009 is about 1091.4524891664.

The spelling of 1300213009 in words is "one billion, three hundred million, two hundred thirteen thousand, nine".