1325571160 has 64 divisors (see below), whose sum is σ = 3091737600. Its totient is φ = 510960000.

The previous prime is 1325571109. The next prime is 1325571217. The reversal of 1325571160 is 611755231.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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, 309111 + ... + 313369.

It is an arithmetic number, because the mean of its divisors is an integer number (48308400).

Almost surely, 2^1325571160 is an apocalyptic number.

1325571160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325571160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545868800).

1325571160 is an abundant number, since it is smaller than the sum of its proper divisors (1766166440).

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

1325571160 is a wasteful number, since it uses less digits than its factorization.

1325571160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552 (or 4548 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1325571160 is about 36408.3940870783. The cubic root of 1325571160 is about 1098.5024138393.

The spelling of 1325571160 in words is "one billion, three hundred twenty-five million, five hundred seventy-one thousand, one hundred sixty".