4505523 has 8 divisors (see below), whose sum is σ = 6553536. Its totient is φ = 2730600.

The previous prime is 4505503. The next prime is 4505533. The reversal of 4505523 is 3255054.

4505523 = 442² + 443² + ... + 463².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4505523 - 2⁵ = 4505491 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4505493 and 4505502.

It is not an unprimeable number, because it can be changed into a prime (4505503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68233 + ... + 68298.

It is an arithmetic number, because the mean of its divisors is an integer number (819192).

Almost surely, 2^4505523 is an apocalyptic number.

4505523 is a deficient number, since it is larger than the sum of its proper divisors (2048013).

4505523 is a wasteful number, since it uses less digits than its factorization.

4505523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136545.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 4505523 is about 2122.6217279581. The cubic root of 4505523 is about 165.1638775873.

The spelling of 4505523 in words is "four million, five hundred five thousand, five hundred twenty-three".