1317049552 has 160 divisors (see below), whose sum is σ = 3331786752. Its totient is φ = 490102272.

The previous prime is 1317049549. The next prime is 1317049571. The reversal of 1317049552 is 2559407131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2243403 + ... + 2243989.

Almost surely, 2^1317049552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317049552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665893376).

1317049552 is an abundant number, since it is smaller than the sum of its proper divisors (2014737200).

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

1317049552 is a wasteful number, since it uses less digits than its factorization.

1317049552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1317049552 is about 36291.1773300344. The cubic root of 1317049552 is about 1096.1433959110.

The spelling of 1317049552 in words is "one billion, three hundred seventeen million, forty-nine thousand, five hundred fifty-two".