5003145221 has 4 divisors (see below), whose sum is σ = 5175667500. Its totient is φ = 4830622944.

The previous prime is 5003145209. The next prime is 5003145223. The reversal of 5003145221 is 1225413005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3037552996 + 1965592225 = 55114^2 + 44335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003145221 - 2¹⁰ = 5003144197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5003145223) 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, 86261096 + ... + 86261153.

It is an arithmetic number, because the mean of its divisors is an integer number (1293916875).

Almost surely, 2^5003145221 is an apocalyptic number.

It is an amenable number.

5003145221 is a deficient number, since it is larger than the sum of its proper divisors (172522279).

5003145221 is a wasteful number, since it uses less digits than its factorization.

5003145221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172522278.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5003145221 is about 70732.9146932318. The cubic root of 5003145221 is about 1710.3344216721.

Adding to 5003145221 its reverse (1225413005), we get a palindrome (6228558226).

The spelling of 5003145221 in words is "five billion, three million, one hundred forty-five thousand, two hundred twenty-one".