4078541 has 4 divisors (see below), whose sum is σ = 4084800. Its totient is φ = 4072284.

The previous prime is 4078523. The next prime is 4078561. The reversal of 4078541 is 1458704.

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 a de Polignac number, because none of the positive numbers 2^k-4078541 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 (4078511) 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, 2021 + ... + 3498.

It is an arithmetic number, because the mean of its divisors is an integer number (1021200).

Almost surely, 2^4078541 is an apocalyptic number.

It is an amenable number.

4078541 is a deficient number, since it is larger than the sum of its proper divisors (6259).

4078541 is an equidigital number, since it uses as much as digits as its factorization.

4078541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 4078541 is about 2019.5397990631. The cubic root of 4078541 is about 159.7723455084.

The spelling of 4078541 in words is "four million, seventy-eight thousand, five hundred forty-one".