4521113 has 2 divisors, whose sum is σ = 4521114. Its totient is φ = 4521112.

The previous prime is 4521103. The next prime is 4521151. The reversal of 4521113 is 3111254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 1517824 = 1733^2 + 1232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4521113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4521091 and 4521100.

It is not a weakly prime, because it can be changed into another prime (4521103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260556 + 2260557.

It is an arithmetic number, because the mean of its divisors is an integer number (2260557).

Almost surely, 2^4521113 is an apocalyptic number.

It is an amenable number.

4521113 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521113 is an equidigital number, since it uses as much as digits as its factorization.

4521113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 17.

The square root of 4521113 is about 2126.2909020169. The cubic root of 4521113 is about 165.3541581722.

Adding to 4521113 its reverse (3111254), we get a palindrome (7632367).

The spelling of 4521113 in words is "four million, five hundred twenty-one thousand, one hundred thirteen".