10003605 has 16 divisors (see below), whose sum is σ = 16075584. Its totient is φ = 5312000.

The previous prime is 10003601. The next prime is 10003613. The reversal of 10003605 is 50630001.

It is not a de Polignac number, because 10003605 - 2² = 10003601 is a prime.

It is a super-2 number, since 2×10003605² = 200144225992050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003601) 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, 2437 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (1004724).

Almost surely, 2^10003605 is an apocalyptic number.

10003605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10003605 is a deficient number, since it is larger than the sum of its proper divisors (6071979).

10003605 is a wasteful number, since it uses less digits than its factorization.

10003605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 10003605 is about 3162.8476093546. The cubic root of 10003605 is about 215.4693550163.

Adding to 10003605 its reverse (50630001), we get a palindrome (60633606).

The spelling of 10003605 in words is "ten million, three thousand, six hundred five".