1305425455 has 4 divisors (see below), whose sum is σ = 1566510552. Its totient is φ = 1044340360.

The previous prime is 1305425449. The next prime is 1305425477. The reversal of 1305425455 is 5545245031.

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

It is not a de Polignac number, because 1305425455 - 2⁹ = 1305424943 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 1305425455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130542541 + ... + 130542550.

It is an arithmetic number, because the mean of its divisors is an integer number (391627638).

Almost surely, 2^1305425455 is an apocalyptic number.

1305425455 is a deficient number, since it is larger than the sum of its proper divisors (261085097).

1305425455 is an equidigital number, since it uses as much as digits as its factorization.

1305425455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261085096.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 1305425455 is about 36130.6719422709. The cubic root of 1305425455 is about 1092.9090586112.

The spelling of 1305425455 in words is "one billion, three hundred five million, four hundred twenty-five thousand, four hundred fifty-five".