4272539 has 4 divisors (see below), whose sum is σ = 4293000. Its totient is φ = 4252080.

The previous prime is 4272533. The next prime is 4272553. The reversal of 4272539 is 9352724.

It is a happy number.

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 4272539 - 2¹⁶ = 4207003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4272533) 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, 9914 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (1073250).

Almost surely, 2^4272539 is an apocalyptic number.

4272539 is a deficient number, since it is larger than the sum of its proper divisors (20461).

4272539 is a wasteful number, since it uses less digits than its factorization.

4272539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20460.

The product of its digits is 15120, while the sum is 32.

The square root of 4272539 is about 2067.0120947880. The cubic root of 4272539 is about 162.2664289321.

The spelling of 4272539 in words is "four million, two hundred seventy-two thousand, five hundred thirty-nine".