1305003425 has 12 divisors (see below), whose sum is σ = 1765314096. Its totient is φ = 949093200.

The previous prime is 1305003397. The next prime is 1305003433. The reversal of 1305003425 is 5243005031.

It is not a de Polignac number, because 1305003425 - 2⁶ = 1305003361 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 1305003425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2372459 + ... + 2373008.

It is an arithmetic number, because the mean of its divisors is an integer number (147109508).

Almost surely, 2^1305003425 is an apocalyptic number.

It is an amenable number.

1305003425 is a deficient number, since it is larger than the sum of its proper divisors (460310671).

1305003425 is a wasteful number, since it uses less digits than its factorization.

1305003425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745488 (or 4745483 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1305003425 is about 36124.8311414739. The cubic root of 1305003425 is about 1092.7912706716.

Adding to 1305003425 its reverse (5243005031), we get a palindrome (6548008456).

The spelling of 1305003425 in words is "one billion, three hundred five million, three thousand, four hundred twenty-five".