5145521003 has 4 divisors (see below), whose sum is σ = 5880595440. Its totient is φ = 4410446568.

The previous prime is 5145520987. The next prime is 5145521021. The reversal of 5145521003 is 3001255415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5145521003 - 2⁴ = 5145520987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145521063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367537208 + ... + 367537221.

It is an arithmetic number, because the mean of its divisors is an integer number (1470148860).

Almost surely, 2^5145521003 is an apocalyptic number.

5145521003 is a deficient number, since it is larger than the sum of its proper divisors (735074437).

5145521003 is an equidigital number, since it uses as much as digits as its factorization.

5145521003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735074436.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5145521003 is about 71732.2870331066. The cubic root of 5145521003 is about 1726.4067223497.

Adding to 5145521003 its reverse (3001255415), we get a palindrome (8146776418).

The spelling of 5145521003 in words is "five billion, one hundred forty-five million, five hundred twenty-one thousand, three".