1003245320 has 64 divisors (see below), whose sum is σ = 2814307200. Its totient is φ = 312698880.

The previous prime is 1003245311. The next prime is 1003245329. The reversal of 1003245320 is 235423001.

It is a happy number.

1003245320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1003245311) and next prime (1003245329).

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 = 1003245292 and 1003245301.

It is not an unprimeable number, because it can be changed into a prime (1003245329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159785 + ... + 165944.

It is an arithmetic number, because the mean of its divisors is an integer number (43973550).

Almost surely, 2^1003245320 is an apocalyptic number.

1003245320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003245320 is an abundant number, since it is smaller than the sum of its proper divisors (1811061880).

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

1003245320 is a wasteful number, since it uses less digits than its factorization.

1003245320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325758 (or 325754 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1003245320 is about 31674.0480519936. The cubic root of 1003245320 is about 1001.0806052051.

Adding to 1003245320 its reverse (235423001), we get a palindrome (1238668321).

The spelling of 1003245320 in words is "one billion, three million, two hundred forty-five thousand, three hundred twenty".