1325605306 has 8 divisors (see below), whose sum is σ = 2013577920. Its totient is φ = 654412668.

The previous prime is 1325605301. The next prime is 1325605403. The reversal of 1325605306 is 6035065231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1325605301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194796 + ... + 4195111.

It is an arithmetic number, because the mean of its divisors is an integer number (251697240).

Almost surely, 2^1325605306 is an apocalyptic number.

1325605306 is a deficient number, since it is larger than the sum of its proper divisors (687972614).

1325605306 is an equidigital number, since it uses as much as digits as its factorization.

1325605306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389988.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1325605306 is about 36408.8630143815. The cubic root of 1325605306 is about 1098.5118460354.

The spelling of 1325605306 in words is "one billion, three hundred twenty-five million, six hundred five thousand, three hundred six".