1302425305 has 16 divisors (see below), whose sum is σ = 1582124544. Its totient is φ = 1029173760.

The previous prime is 1302425279. The next prime is 1302425321. The reversal of 1302425305 is 5035242031.

It is not a de Polignac number, because 1302425305 - 2²¹ = 1300328153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302425305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274584 + ... + 279286.

It is an arithmetic number, because the mean of its divisors is an integer number (98882784).

Almost surely, 2^1302425305 is an apocalyptic number.

It is an amenable number.

1302425305 is a deficient number, since it is larger than the sum of its proper divisors (279699239).

1302425305 is an equidigital number, since it uses as much as digits as its factorization.

1302425305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1302425305 is about 36089.1300116808. The cubic root of 1302425305 is about 1092.0711692782.

Adding to 1302425305 its reverse (5035242031), we get a palindrome (6337667336).

The spelling of 1302425305 in words is "one billion, three hundred two million, four hundred twenty-five thousand, three hundred five".