1003541 has 8 divisors (see below), whose sum is σ = 1251264. Its totient is φ = 781920.

The previous prime is 1003517. The next prime is 1003543. The reversal of 1003541 is 1453001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003541 - 2¹⁰ = 1002517 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 6593.

It is an arithmetic number, because the mean of its divisors is an integer number (156408).

2^1003541 is an apocalyptic number.

1003541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003541 is a deficient number, since it is larger than the sum of its proper divisors (247723).

1003541 is a wasteful number, since it uses less digits than its factorization.

1003541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1003541 is about 1001.7689354337. The cubic root of 1003541 is about 100.1178942881.

Adding to 1003541 its reverse (1453001), we get a palindrome (2456542).

The spelling of 1003541 in words is "one million, three thousand, five hundred forty-one".