4239541 has 4 divisors (see below), whose sum is σ = 4329792. Its totient is φ = 4149292.

The previous prime is 4239533. The next prime is 4239577. The reversal of 4239541 is 1459324.

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.

It is a cyclic number.

It is not a de Polignac number, because 4239541 - 2³ = 4239533 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 (4239041) 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, 45055 + ... + 45148.

It is an arithmetic number, because the mean of its divisors is an integer number (1082448).

Almost surely, 2^4239541 is an apocalyptic number.

It is an amenable number.

4239541 is a deficient number, since it is larger than the sum of its proper divisors (90251).

4239541 is an equidigital number, since it uses as much as digits as its factorization.

4239541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90250.

The product of its digits is 4320, while the sum is 28.

The square root of 4239541 is about 2059.0145701281. The cubic root of 4239541 is about 161.8476060142.

It can be divided in two parts, 42395 and 41, that added together give a square (42436 = 206²).

The spelling of 4239541 in words is "four million, two hundred thirty-nine thousand, five hundred forty-one".