10003445 has 4 divisors (see below), whose sum is σ = 12004140. Its totient is φ = 8002752.

The previous prime is 10003439. The next prime is 10003457. The reversal of 10003445 is 54430001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54430001 = 41 ⋅1327561.

It can be written as a sum of positive squares in 2 ways, for example, as 7187761 + 2815684 = 2681^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003445 - 2¹⁸ = 9741301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000340 + ... + 1000349.

It is an arithmetic number, because the mean of its divisors is an integer number (3001035).

Almost surely, 2^10003445 is an apocalyptic number.

It is an amenable number.

10003445 is a deficient number, since it is larger than the sum of its proper divisors (2000695).

10003445 is an equidigital number, since it uses as much as digits as its factorization.

10003445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000694.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10003445 is about 3162.8223155909. The cubic root of 10003445 is about 215.4682062544.

Adding to 10003445 its reverse (54430001), we get a palindrome (64433446).

The spelling of 10003445 in words is "ten million, three thousand, four hundred forty-five".