1304366625 has 64 divisors (see below), whose sum is σ = 2538681600. Its totient is φ = 659016000.

The previous prime is 1304366603. The next prime is 1304366627. The reversal of 1304366625 is 5266634031.

It is not a de Polignac number, because 1304366625 - 2⁶ = 1304366561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304366625.

It is not an unprimeable number, because it can be changed into a prime (1304366627) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53955 + ... + 74295.

It is an arithmetic number, because the mean of its divisors is an integer number (39666900).

Almost surely, 2^1304366625 is an apocalyptic number.

1304366625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304366625 is a deficient number, since it is larger than the sum of its proper divisors (1234314975).

1304366625 is a wasteful number, since it uses less digits than its factorization.

1304366625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384 (or 20368 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 1304366625 is about 36116.0161839592. The cubic root of 1304366625 is about 1092.6134926702.

The spelling of 1304366625 in words is "one billion, three hundred four million, three hundred sixty-six thousand, six hundred twenty-five".