1301325569 has 2 divisors, whose sum is σ = 1301325570. Its totient is φ = 1301325568.

The previous prime is 1301325563. The next prime is 1301325577. The reversal of 1301325569 is 9655231031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868186225 + 433139344 = 29465^2 + 20812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301325569 is a prime.

It is a super-2 number, since 2×1301325569² = 3386896473066347522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301325563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650662784 + 650662785.

It is an arithmetic number, because the mean of its divisors is an integer number (650662785).

Almost surely, 2^1301325569 is an apocalyptic number.

It is an amenable number.

1301325569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301325569 is an equidigital number, since it uses as much as digits as its factorization.

1301325569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 1301325569 is about 36073.8904056660. The cubic root of 1301325569 is about 1091.7637100168.

The spelling of 1301325569 in words is "one billion, three hundred one million, three hundred twenty-five thousand, five hundred sixty-nine".