4512523 has 4 divisors (see below), whose sum is σ = 4526488. Its totient is φ = 4498560.

The previous prime is 4512503. The next prime is 4512527. The reversal of 4512523 is 3252154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4512523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4512494 and 4512503.

It is not an unprimeable number, because it can be changed into a prime (4512527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6486 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (1131622).

Almost surely, 2^4512523 is an apocalyptic number.

4512523 is a deficient number, since it is larger than the sum of its proper divisors (13965).

4512523 is a wasteful number, since it uses less digits than its factorization.

4512523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13964.

The product of its digits is 1200, while the sum is 22.

The square root of 4512523 is about 2124.2699922562. The cubic root of 4512523 is about 165.2493688766.

Adding to 4512523 its reverse (3252154), we get a palindrome (7764677).

The spelling of 4512523 in words is "four million, five hundred twelve thousand, five hundred twenty-three".