1325380056 has 256 divisors, whose sum is σ = 4555837440. Its totient is φ = 310141440.

The previous prime is 1325380031. The next prime is 1325380057. The reversal of 1325380056 is 6500835231.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1325379999 and 1325380026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325380057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1032391 + ... + 1033673.

It is an arithmetic number, because the mean of its divisors is an integer number (17796240).

Almost surely, 2^1325380056 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 1325380056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277918720).

1325380056 is an abundant number, since it is smaller than the sum of its proper divisors (3230457384).

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

1325380056 is a wasteful number, since it uses less digits than its factorization.

1325380056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1325380056 is about 36405.7695427524. The cubic root of 1325380056 is about 1098.4496219307.

The spelling of 1325380056 in words is "one billion, three hundred twenty-five million, three hundred eighty thousand, fifty-six".