4561503 has 4 divisors (see below), whose sum is σ = 6082008. Its totient is φ = 3041000.

The previous prime is 4561489. The next prime is 4561507. The reversal of 4561503 is 3051654.

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

It is a cyclic number.

It is not a de Polignac number, because 4561503 - 2¹⁷ = 4430431 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760248 + ... + 760253.

It is an arithmetic number, because the mean of its divisors is an integer number (1520502).

Almost surely, 2^4561503 is an apocalyptic number.

4561503 is a deficient number, since it is larger than the sum of its proper divisors (1520505).

4561503 is a wasteful number, since it uses less digits than its factorization.

4561503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520504.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 4561503 is about 2135.7675435309. The cubic root of 4561503 is about 165.8451039739.

The spelling of 4561503 in words is "four million, five hundred sixty-one thousand, five hundred three".