4248539 has 2 divisors, whose sum is σ = 4248540. Its totient is φ = 4248538.

The previous prime is 4248481. The next prime is 4248551. The reversal of 4248539 is 9358424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4248539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4248499 and 4248508.

It is not a weakly prime, because it can be changed into another prime (4241539) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124269 + 2124270.

It is an arithmetic number, because the mean of its divisors is an integer number (2124270).

Almost surely, 2^4248539 is an apocalyptic number.

4248539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248539 is an equidigital number, since it uses as much as digits as its factorization.

4248539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 4248539 is about 2061.1984378026. The cubic root of 4248539 is about 161.9620268666.

It can be divided in two parts, 42485 and 39, that added together give a palindrome (42524).

The spelling of 4248539 in words is "four million, two hundred forty-eight thousand, five hundred thirty-nine".