4272503 has 6 divisors (see below), whose sum is σ = 4468632. Its totient is φ = 4077260.

The previous prime is 4272497. The next prime is 4272529. The reversal of 4272503 is 3052724.

It is not a de Polignac number, because 4272503 - 2¹⁰ = 4271479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 4³ + 2²¹ + 7 + 2²¹ + 5⁷ + 0 + 3 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272533) 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 5 ways as a sum of consecutive naturals, for example, 9698 + ... + 10128.

It is an arithmetic number, because the mean of its divisors is an integer number (744772).

Almost surely, 2^4272503 is an apocalyptic number.

4272503 is a deficient number, since it is larger than the sum of its proper divisors (196129).

4272503 is an frugal number, since it uses more digits than its factorization.

4272503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 4272503 is about 2067.0033865478. The cubic root of 4272503 is about 162.2659731837.

Multiplying 4272503 by its sum of digits (23), we get a square (98267569 = 9913²).

4272503 divided by its sum of digits (23) gives a square (185761 = 431²).

The spelling of 4272503 in words is "four million, two hundred seventy-two thousand, five hundred three".