1300303205 has 4 divisors (see below), whose sum is σ = 1560363852. Its totient is φ = 1040242560.

The previous prime is 1300303201. The next prime is 1300303223. The reversal of 1300303205 is 5023030031.

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 566868481 + 733434724 = 23809^2 + 27082^2 .

It is not a de Polignac number, because 1300303205 - 2² = 1300303201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300303201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130030316 + ... + 130030325.

It is an arithmetic number, because the mean of its divisors is an integer number (390090963).

Almost surely, 2^1300303205 is an apocalyptic number.

It is an amenable number.

1300303205 is a deficient number, since it is larger than the sum of its proper divisors (260060647).

1300303205 is an equidigital number, since it uses as much as digits as its factorization.

1300303205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260060646.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 1300303205 is about 36059.7172063232. The cubic root of 1300303205 is about 1091.4777266651.

Adding to 1300303205 its reverse (5023030031), we get a palindrome (6323333236).

The spelling of 1300303205 in words is "one billion, three hundred million, three hundred three thousand, two hundred five".