1304225505 has 48 divisors (see below), whose sum is σ = 2482646400. Its totient is φ = 628128000.

The previous prime is 1304225479. The next prime is 1304225579. The reversal of 1304225505 is 5055224031.

It is a happy number.

1304225505 is a `hidden beast` number, since 130 + 4 + 2 + 25 + 505 = 666.

It is not a de Polignac number, because 1304225505 - 2⁶ = 1304225441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66021 + ... + 83469.

It is an arithmetic number, because the mean of its divisors is an integer number (51721800).

Almost surely, 2^1304225505 is an apocalyptic number.

1304225505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304225505 is a deficient number, since it is larger than the sum of its proper divisors (1178420895).

1304225505 is a wasteful number, since it uses less digits than its factorization.

1304225505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17622 (or 17619 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1304225505 is about 36114.0624272596. The cubic root of 1304225505 is about 1092.5740878040.

Adding to 1304225505 its reverse (5055224031), we get a palindrome (6359449536).

The spelling of 1304225505 in words is "one billion, three hundred four million, two hundred twenty-five thousand, five hundred five".