1051325320 has 64 divisors (see below), whose sum is σ = 2452032000. Its totient is φ = 405258240.

The previous prime is 1051325293. The next prime is 1051325419. The reversal of 1051325320 is 235231501.

It is a super-2 number, since 2×1051325320² = 2210569856946204800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051325291 and 1051325300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317031 + ... + 320329.

It is an arithmetic number, because the mean of its divisors is an integer number (38313000).

Almost surely, 2^1051325320 is an apocalyptic number.

1051325320 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 1051325320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226016000).

1051325320 is an abundant number, since it is smaller than the sum of its proper divisors (1400706680).

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

1051325320 is a wasteful number, since it uses less digits than its factorization.

1051325320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1051325320 is about 32424.1471745981. The cubic root of 1051325320 is about 1016.8238120731.

Adding to 1051325320 its reverse (235231501), we get a palindrome (1286556821).

The spelling of 1051325320 in words is "one billion, fifty-one million, three hundred twenty-five thousand, three hundred twenty".