42807541 has 4 divisors (see below), whose sum is σ = 48922912. Its totient is φ = 36692172.

The previous prime is 42807539. The next prime is 42807587. The reversal of 42807541 is 14570824.

42807541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42807541 - 2¹ = 42807539 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 (42807041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057675 + ... + 3057688.

It is an arithmetic number, because the mean of its divisors is an integer number (12230728).

Almost surely, 2^42807541 is an apocalyptic number.

It is an amenable number.

42807541 is a deficient number, since it is larger than the sum of its proper divisors (6115371).

42807541 is an equidigital number, since it uses as much as digits as its factorization.

42807541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115370.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 42807541 is about 6542.7472058761. The cubic root of 42807541 is about 349.8163417396.

The spelling of 42807541 in words is "forty-two million, eight hundred seven thousand, five hundred forty-one".