4513663 has 18 divisors (see below), whose sum is σ = 5748792. Its totient is φ = 3468960.

The previous prime is 4513661. The next prime is 4513669. The reversal of 4513663 is 3663154.

It is not a de Polignac number, because 4513663 - 2¹ = 4513661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4513661) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61795 + ... + 61867.

Almost surely, 2^4513663 is an apocalyptic number.

4513663 is a deficient number, since it is larger than the sum of its proper divisors (1235129).

4513663 is an equidigital number, since it uses as much as digits as its factorization.

4513663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 91 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 4513663 is about 2124.5383027849. The cubic root of 4513663 is about 165.2632833704.

Multiplying 4513663 by its sum of digits (28), we get a square (126382564 = 11242²).

It can be divided in two parts, 451 and 3663, that added together give a palindrome (4114).

The spelling of 4513663 in words is "four million, five hundred thirteen thousand, six hundred sixty-three".