1306625325 has 12 divisors (see below), whose sum is σ = 2160287328. Its totient is φ = 696866800.

The previous prime is 1306625311. The next prime is 1306625381. The reversal of 1306625325 is 5235266031.

It is not a de Polignac number, because 1306625325 - 2⁶ = 1306625261 is a prime.

It is a congruent number.

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, 8710761 + ... + 8710910.

It is an arithmetic number, because the mean of its divisors is an integer number (180023944).

Almost surely, 2^1306625325 is an apocalyptic number.

1306625325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306625325 is a deficient number, since it is larger than the sum of its proper divisors (853662003).

1306625325 is a wasteful number, since it uses less digits than its factorization.

1306625325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17421684 (or 17421679 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1306625325 is about 36147.2727186990. The cubic root of 1306625325 is about 1093.2438018988.

The spelling of 1306625325 in words is "one billion, three hundred six million, six hundred twenty-five thousand, three hundred twenty-five".