4500013 has 6 divisors (see below), whose sum is σ = 5234766. Its totient is φ = 3857112.

The previous prime is 4500007. The next prime is 4500029. The reversal of 4500013 is 3100054.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 1162084 = 1827^2 + 1078^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4500013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4499966 and 4500002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45870 + ... + 45967.

It is an arithmetic number, because the mean of its divisors is an integer number (872461).

Almost surely, 2^4500013 is an apocalyptic number.

It is an amenable number.

4500013 is a deficient number, since it is larger than the sum of its proper divisors (734753).

4500013 is an equidigital number, since it uses as much as digits as its factorization.

4500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91851 (or 91844 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 4500013 is about 2121.3234076868. The cubic root of 4500013 is about 165.0965214263.

Adding to 4500013 its reverse (3100054), we get a palindrome (7600067).

The spelling of 4500013 in words is "four million, five hundred thousand, thirteen".