1305541201 has 4 divisors (see below), whose sum is σ = 1309239972. Its totient is φ = 1301842432.

The previous prime is 1305541151. The next prime is 1305541207. The reversal of 1305541201 is 1021455031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 720868801 + 584672400 = 26849^2 + 24180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305541201 - 2⁷ = 1305541073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305541207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848856 + ... + 1849561.

It is an arithmetic number, because the mean of its divisors is an integer number (327309993).

Almost surely, 2^1305541201 is an apocalyptic number.

It is an amenable number.

1305541201 is a deficient number, since it is larger than the sum of its proper divisors (3698771).

1305541201 is an equidigital number, since it uses as much as digits as its factorization.

1305541201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698770.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1305541201 is about 36132.2736760365. The cubic root of 1305541201 is about 1092.9413587099.

Adding to 1305541201 its reverse (1021455031), we get a palindrome (2326996232).

The spelling of 1305541201 in words is "one billion, three hundred five million, five hundred forty-one thousand, two hundred one".