1001503325 has 24 divisors (see below), whose sum is σ = 1274019648. Its totient is φ = 780554880.

The previous prime is 1001503297. The next prime is 1001503339. The reversal of 1001503325 is 5233051001.

It is a de Polignac number, because none of the positive numbers 2^k-1001503325 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001503297 and 1001503306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522569 + ... + 524481.

It is an arithmetic number, because the mean of its divisors is an integer number (53084152).

Almost surely, 2^1001503325 is an apocalyptic number.

It is an amenable number.

1001503325 is a deficient number, since it is larger than the sum of its proper divisors (272516323).

1001503325 is a wasteful number, since it uses less digits than its factorization.

1001503325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1001503325 is about 31646.5373303305. The cubic root of 1001503325 is about 1000.5008574333.

Adding to 1001503325 its reverse (5233051001), we get a palindrome (6234554326).

The spelling of 1001503325 in words is "one billion, one million, five hundred three thousand, three hundred twenty-five".