1317655325 has 36 divisors (see below), whose sum is σ = 1912600800. Its totient is φ = 897855840.

The previous prime is 1317655271. The next prime is 1317655331. The reversal of 1317655325 is 5235567131.

It is not a de Polignac number, because 1317655325 - 2¹² = 1317651229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 196376 + ... + 202974.

It is an arithmetic number, because the mean of its divisors is an integer number (53127800).

Almost surely, 2^1317655325 is an apocalyptic number.

It is an amenable number.

1317655325 is a deficient number, since it is larger than the sum of its proper divisors (594945475).

1317655325 is a wasteful number, since it uses less digits than its factorization.

1317655325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6774 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

The square root of 1317655325 is about 36299.5223797779. The cubic root of 1317655325 is about 1096.3114261102.

The spelling of 1317655325 in words is "one billion, three hundred seventeen million, six hundred fifty-five thousand, three hundred twenty-five".