4521542003 has 16 divisors (see below), whose sum is σ = 5230811520. Its totient is φ = 3862723200.

The previous prime is 4521541993. The next prime is 4521542021. The reversal of 4521542003 is 3002451254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4521542003 - 2¹⁶ = 4521476467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4521542023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 104888 + ... + 141578.

It is an arithmetic number, because the mean of its divisors is an integer number (326925720).

Almost surely, 2^4521542003 is an apocalyptic number.

4521542003 is a deficient number, since it is larger than the sum of its proper divisors (709269517).

4521542003 is a wasteful number, since it uses less digits than its factorization.

4521542003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37378.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4521542003 is about 67242.4122336491. The cubic root of 4521542003 is about 1653.5938809281.

Adding to 4521542003 its reverse (3002451254), we get a palindrome (7523993257).

The spelling of 4521542003 in words is "four billion, five hundred twenty-one million, five hundred forty-two thousand, three".