7538003 has 8 divisors (see below), whose sum is σ = 8656320. Its totient is φ = 6491880.

The previous prime is 7537963. The next prime is 7538009. The reversal of 7538003 is 3008357.

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 7538003 - 2⁶ = 7537939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7538009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17825 + ... + 18242.

It is an arithmetic number, because the mean of its divisors is an integer number (1082040).

Almost surely, 2^7538003 is an apocalyptic number.

7538003 is a deficient number, since it is larger than the sum of its proper divisors (1118317).

7538003 is a wasteful number, since it uses less digits than its factorization.

7538003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36097.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 7538003 is about 2745.5423872160. The cubic root of 7538003 is about 196.0734401313.

The spelling of 7538003 in words is "seven million, five hundred thirty-eight thousand, three".