4272517 has 4 divisors (see below), whose sum is σ = 4276800. Its totient is φ = 4268236.

The previous prime is 4272497. The next prime is 4272529. The reversal of 4272517 is 7152724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4272517 - 2¹⁹ = 3748229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4270517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^4272517 is an apocalyptic number.

It is an amenable number.

4272517 is a deficient number, since it is larger than the sum of its proper divisors (4283).

4272517 is a wasteful number, since it uses less digits than its factorization.

4272517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282.

The product of its digits is 3920, while the sum is 28.

The square root of 4272517 is about 2067.0067730900. The cubic root of 4272517 is about 162.2661504195.

Subtracting from 4272517 its sum of digits (28), we obtain a square (4272489 = 2067²).

The spelling of 4272517 in words is "four million, two hundred seventy-two thousand, five hundred seventeen".