1003025540 has 48 divisors (see below), whose sum is σ = 2300538240. Its totient is φ = 364308480.

The previous prime is 1003025539. The next prime is 1003025549. The reversal of 1003025540 is 455203001.

1003025540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1003025549) 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, 231716 + ... + 236004.

It is an arithmetic number, because the mean of its divisors is an integer number (47927880).

Almost surely, 2^1003025540 is an apocalyptic number.

1003025540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003025540 is an abundant number, since it is smaller than the sum of its proper divisors (1297512700).

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

1003025540 is a wasteful number, since it uses less digits than its factorization.

1003025540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5370 counting only the distinct ones).

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

The square root of 1003025540 is about 31670.5784601418. The cubic root of 1003025540 is about 1001.0074979403.

Adding to 1003025540 its reverse (455203001), we get a palindrome (1458228541).

The spelling of 1003025540 in words is "one billion, three million, twenty-five thousand, five hundred forty".