1325606568 has 64 divisors (see below), whose sum is σ = 3893400000. Its totient is φ = 370798080.

The previous prime is 1325606567. The next prime is 1325606609. The reversal of 1325606568 is 8656065231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1325606561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189693 + ... + 196556.

It is an arithmetic number, because the mean of its divisors is an integer number (60834375).

Almost surely, 2^1325606568 is an apocalyptic number.

It is an amenable number.

1325606568 is an abundant number, since it is smaller than the sum of its proper divisors (2567793432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325606568 is a wasteful number, since it uses less digits than its factorization.

1325606568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386282 (or 386278 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 1325606568 is about 36408.8803453223. The cubic root of 1325606568 is about 1098.5121946362.

It can be divided in two parts, 132560 and 6568, that added together give a triangular number (139128 = T₅₂₇).

The spelling of 1325606568 in words is "one billion, three hundred twenty-five million, six hundred six thousand, five hundred sixty-eight".