1025052320 has 24 divisors (see below), whose sum is σ = 2421686484. Its totient is φ = 410020864.

The previous prime is 1025052317. The next prime is 1025052367. The reversal of 1025052320 is 232505201.

It can be written as a sum of positive squares in 2 ways, for example, as 850072336 + 174979984 = 29156^2 + 13228^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1025052292 and 1025052301.

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 3 ways as a sum of consecutive naturals, for example, 3203129 + ... + 3203448.

Almost surely, 2^1025052320 is an apocalyptic number.

1025052320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025052320 is an abundant number, since it is smaller than the sum of its proper divisors (1396634164).

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

1025052320 is an equidigital number, since it uses as much as digits as its factorization.

1025052320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406592 (or 6406584 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1025052320 is about 32016.4382778597. The cubic root of 1025052320 is about 1008.2819925745.

Adding to 1025052320 its reverse (232505201), we get a palindrome (1257557521).

The spelling of 1025052320 in words is "one billion, twenty-five million, fifty-two thousand, three hundred twenty".