1304433450225 has 72 divisors (see below), whose sum is σ = 2484438621912. Its totient is φ = 651963801600.

The previous prime is 1304433450209. The next prime is 1304433450241. The reversal of 1304433450225 is 5220543344031.

1304433450225 is a `hidden beast` number, since 1 + 304 + 4 + 3 + 345 + 0 + 2 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1304433450209) and next prime (1304433450241).

It can be written as a sum of positive squares in 12 ways, for example, as 599619471201 + 704813979024 = 774351^2 + 839532^2 .

It is not a de Polignac number, because 1304433450225 - 2⁴ = 1304433450209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304433450225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 159405 + ... + 1623045.

It is an arithmetic number, because the mean of its divisors is an integer number (34506091971).

Almost surely, 2^{1304433450225} is an apocalyptic number.

1304433450225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304433450225 is a deficient number, since it is larger than the sum of its proper divisors (1180005171687).

1304433450225 is a wasteful number, since it uses less digits than its factorization.

1304433450225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463907 (or 1463899 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 1304433450225 its reverse (5220543344031), we get a palindrome (6524976794256).

The spelling of 1304433450225 in words is "one trillion, three hundred four billion, four hundred thirty-three million, four hundred fifty thousand, two hundred twenty-five".