1301564009 has 2 divisors, whose sum is σ = 1301564010. Its totient is φ = 1301564008.

The previous prime is 1301563969. The next prime is 1301564023. The reversal of 1301564009 is 9004651031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272705625 + 28858384 = 35675^2 + 5372^2 .

It is an emirp because it is prime and its reverse (9004651031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301564009 - 2¹² = 1301559913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301524009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650782004 + 650782005.

It is an arithmetic number, because the mean of its divisors is an integer number (650782005).

Almost surely, 2^1301564009 is an apocalyptic number.

It is an amenable number.

1301564009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301564009 is an equidigital number, since it uses as much as digits as its factorization.

1301564009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1301564009 is about 36077.1951376489. The cubic root of 1301564009 is about 1091.8303867059.

The spelling of 1301564009 in words is "one billion, three hundred one million, five hundred sixty-four thousand, nine".