1300430405 has 4 divisors (see below), whose sum is σ = 1560516492. Its totient is φ = 1040344320.

The previous prime is 1300430399. The next prime is 1300430413. The reversal of 1300430405 is 5040340031.

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 231009601 + 1069420804 = 15199^2 + 32702^2 .

It is not a de Polignac number, because 1300430405 - 2¹⁴ = 1300414021 is a prime.

It is a super-2 number, since 2×1300430405² = 3382238476496928050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130043036 + ... + 130043045.

It is an arithmetic number, because the mean of its divisors is an integer number (390129123).

Almost surely, 2^1300430405 is an apocalyptic number.

It is an amenable number.

1300430405 is a deficient number, since it is larger than the sum of its proper divisors (260086087).

1300430405 is an equidigital number, since it uses as much as digits as its factorization.

1300430405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260086086.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1300430405 is about 36061.4809041448. The cubic root of 1300430405 is about 1091.5133161695.

Adding to 1300430405 its reverse (5040340031), we get a palindrome (6340770436).

The spelling of 1300430405 in words is "one billion, three hundred million, four hundred thirty thousand, four hundred five".