1304198625 has 32 divisors (see below), whose sum is σ = 2190165120. Its totient is φ = 689169600.

The previous prime is 1304198593. The next prime is 1304198633. The reversal of 1304198625 is 5268914031.

It is not a de Polignac number, because 1304198625 - 2⁵ = 1304198593 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 24922 + ... + 56828.

It is an arithmetic number, because the mean of its divisors is an integer number (68442660).

Almost surely, 2^1304198625 is an apocalyptic number.

1304198625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304198625 is a deficient number, since it is larger than the sum of its proper divisors (885966495).

1304198625 is a wasteful number, since it uses less digits than its factorization.

1304198625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32034 (or 32024 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1304198625 is about 36113.6902711423. The cubic root of 1304198625 is about 1092.5665817929.

The spelling of 1304198625 in words is "one billion, three hundred four million, one hundred ninety-eight thousand, six hundred twenty-five".